=== Unhandled Error 2026-04-24T12:14:48.476663 === Version: 0.9.90+9900 Exception: PlatformException(0, Cannot create the InAppWebView instance!, null, null) Stack: #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:653) #1 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:366) #2 CustomPlatformViewController.initialize (package:flutter_inappwebview_windows/src/in_app_webview/custom_platform_view.dart:130) === Unhandled Error 2026-04-24T12:19:03.826432 === Version: 0.9.90+9900 Exception: PlatformException(0, Cannot create the InAppWebView instance!, null, null) Stack: #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:653) #1 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:366) #2 CustomPlatformViewController.initialize (package:flutter_inappwebview_windows/src/in_app_webview/custom_platform_view.dart:130) === Unhandled Error 2026-04-24T12:27:33.342005 === Version: 0.9.90+9900 Exception: PlatformException(0, Cannot create the InAppWebView instance!, null, null) Stack: #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:653) #1 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:366) #2 CustomPlatformViewController.initialize (package:flutter_inappwebview_windows/src/in_app_webview/custom_platform_view.dart:130) === FlutterError 2026-04-26T00:37:32.732028 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:32.793075 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:33.815836 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:33.978605 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:33.984583 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:34.049601 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:34.051662 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:34.934328 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:34.942955 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:43.891515 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:43.900659 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:44.342508 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:44.348962 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:44.558264 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:44.567380 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:45.046048 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:45.050558 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:45.685092 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:45.692448 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:47.744705 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:47.751611 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:48.735916 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:48.744580 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.193440 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.201866 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.217836 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.220770 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.238249 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.240318 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.269691 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.271636 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.341632 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.345633 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.360673 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.362681 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.383144 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.385151 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.410872 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.412998 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.425995 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.428047 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.444966 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.446970 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.567869 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.571868 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.930475 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.934475 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.946477 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.948495 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.971477 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:51.974477 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.003476 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.005478 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.028975 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.030981 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.043043 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.045048 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.067044 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.069082 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.140036 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.145095 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.168674 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.171675 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.188673 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:52.191678 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:53.252260 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:53.260241 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:53.868781 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:53.877543 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:55.529429 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:55.536632 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:55.794793 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:55.802411 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:56.409478 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:56.415835 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:56.623365 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:56.627509 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:57.442441 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:57.449854 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:59.286547 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:37:59.295729 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:03.107909 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:03.115849 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:23.969356 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.004767 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.006701 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.008917 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.032673 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.034673 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.047627 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.050743 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.052819 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.054738 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.066698 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.068683 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.070651 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.072634 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.093618 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.094659 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.097804 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.100624 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.111624 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.114782 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.116742 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.118675 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.135638 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.136645 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.139698 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.141723 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.154696 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.155709 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.158697 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.160795 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.181576 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.182577 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.185585 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.186584 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.202504 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.204537 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.206483 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.208475 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.221509 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.223543 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.226574 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.228450 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.242432 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.244445 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.246464 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.248527 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.260506 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.263514 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.266413 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.268478 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.282414 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.284636 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.287487 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.288414 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.401446 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.405422 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.761383 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.768849 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.787843 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.789898 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.803851 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.805907 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.833782 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.836783 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.902826 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.906909 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.922832 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.924928 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.950852 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.953857 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.969844 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.971857 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.983883 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:24.986857 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:25.001894 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:25.003908 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:25.030821 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:25.031988 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:25.145783 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:25.150782 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:25.973098 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:38:25.988941 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.160462 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.167101 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.183969 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.185966 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.204045 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.206053 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.220019 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.222091 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.238965 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.240965 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.261481 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.263484 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.288483 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.290481 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.357806 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.362809 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.379931 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.381883 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.402812 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.405843 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.434272 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:07.436338 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:09.709749 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:09.718038 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:13.808131 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:13.844357 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:14.563071 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:14.570771 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:16.523553 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:16.531127 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:16.907229 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:16.914986 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:17.342774 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:17.350943 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:17.875884 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:17.884527 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:18.517315 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:39:18.525517 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:40:25.781154 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:40:25.784136 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:40:26.105501 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:40:26.109508 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:40:27.272076 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:40:27.276111 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:40:52.795608 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:40:52.802955 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:02.469862 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:02.478321 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:10.177365 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:10.185350 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:13.066714 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:13.074328 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:17.759367 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:17.764373 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:37.255980 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:37.264438 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:51.416920 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:41:51.425485 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === Unhandled Error 2026-04-26T00:42:06.224959 === Version: 0.9.90+9900 Exception: AnyhowException(An invalid argument was passed: 'Invalid regex: Empty match operators are not allowed (hopefully temporary).') Stack: #0 SimpleDecoder.decode (package:flutter_rust_bridge/src/codec/base.dart:32) #1 SseCodec._decode (package:flutter_rust_bridge/src/codec/sse.dart:45) #2 SseCodec.decodeObject (package:flutter_rust_bridge/src/codec/sse.dart:35) #3 TantivyDataProvider.countByBook (package:otzaria/data/data_providers/tantivy_data_provider.dart:568) #4 SearchBloc._refreshFacetCountsForAllBooks (package:otzaria/search/bloc/search_bloc.dart:232) === FlutterError 2026-04-26T00:42:06.289328 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:42:06.291354 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === Unhandled Error 2026-04-26T00:42:06.296289 === Version: 0.9.90+9900 Exception: AnyhowException(An invalid argument was passed: 'Invalid regex: Empty match operators are not allowed (hopefully temporary).') Stack: #0 SimpleDecoder.decode (package:flutter_rust_bridge/src/codec/base.dart:32) #1 SseCodec._decode (package:flutter_rust_bridge/src/codec/sse.dart:45) #2 SseCodec.decodeObject (package:flutter_rust_bridge/src/codec/sse.dart:35) #3 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:948) #4 Future._propagateToListeners (dart:async/future_impl.dart:977) #5 Future._completeWithValue (dart:async/future_impl.dart:720) #6 Future._asyncCompleteWithValue. (dart:async/future_impl.dart:804) #7 _microtaskLoop (dart:async/schedule_microtask.dart:40) #8 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49) === FlutterError 2026-04-26T00:42:21.537134 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-26T00:42:21.573387 === Version: 0.9.90+9900 Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' Information: Instance of 'ValueNotifier>' Stack: #0 State.setState (package:flutter/src/widgets/framework.dart:1219) #1 _ScrollablePositionedListScrollbarState._updateScrollPosition (package:otzaria/widgets/scrollable_positioned_list_scrollbar.dart:84) #2 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #3 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #4 _ScrollablePositionedListState._updatePositions (package:scrollable_positioned_list/src/scrollable_positioned_list.dart:653) #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:432) #6 ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:560) #7 _PositionedListState._schedulePositionNotificationUpdate. (package:scrollable_positioned_list/src/positioned_list.dart:365) #8 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #9 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1357) #10 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #11 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #12 _invoke (dart:ui/hooks.dart:356) #13 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #14 _drawFrame (dart:ui/hooks.dart:328) === Unhandled Error 2026-04-26T00:42:40.668164 === Version: 0.9.90+9900 Exception: AnyhowException(An invalid argument was passed: 'Invalid regex: Empty match operators are not allowed (hopefully temporary).') Stack: #0 SimpleDecoder.decode (package:flutter_rust_bridge/src/codec/base.dart:32) #1 SseCodec._decode (package:flutter_rust_bridge/src/codec/sse.dart:45) #2 SseCodec.decodeObject (package:flutter_rust_bridge/src/codec/sse.dart:35) #3 TantivyDataProvider.countByBook (package:otzaria/data/data_providers/tantivy_data_provider.dart:568) #4 SearchBloc._refreshFacetCountsForAllBooks (package:otzaria/search/bloc/search_bloc.dart:232) === Unhandled Error 2026-04-26T00:42:40.675738 === Version: 0.9.90+9900 Exception: AnyhowException(An invalid argument was passed: 'Invalid regex: Empty match operators are not allowed (hopefully temporary).') Stack: #0 SimpleDecoder.decode (package:flutter_rust_bridge/src/codec/base.dart:32) #1 SseCodec._decode (package:flutter_rust_bridge/src/codec/sse.dart:45) #2 SseCodec.decodeObject (package:flutter_rust_bridge/src/codec/sse.dart:35) #3 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:948) #4 Future._propagateToListeners (dart:async/future_impl.dart:977) #5 Future._completeWithValue (dart:async/future_impl.dart:720) #6 Future._asyncCompleteWithValue. (dart:async/future_impl.dart:804) #7 _microtaskLoop (dart:async/schedule_microtask.dart:40) #8 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49) === Unhandled Error 2026-04-26T00:42:43.537748 === Version: 0.9.90+9900 Exception: AnyhowException(An invalid argument was passed: 'Invalid regex: Empty match operators are not allowed (hopefully temporary).') Stack: #0 SimpleDecoder.decode (package:flutter_rust_bridge/src/codec/base.dart:32) #1 SseCodec._decode (package:flutter_rust_bridge/src/codec/sse.dart:45) #2 SseCodec.decodeObject (package:flutter_rust_bridge/src/codec/sse.dart:35) #3 TantivyDataProvider.countByBook (package:otzaria/data/data_providers/tantivy_data_provider.dart:568) #4 SearchBloc._refreshFacetCountsForAllBooks (package:otzaria/search/bloc/search_bloc.dart:232) === Unhandled Error 2026-04-26T00:42:43.547746 === Version: 0.9.90+9900 Exception: AnyhowException(An invalid argument was passed: 'Invalid regex: Empty match operators are not allowed (hopefully temporary).') Stack: #0 SimpleDecoder.decode (package:flutter_rust_bridge/src/codec/base.dart:32) #1 SseCodec._decode (package:flutter_rust_bridge/src/codec/sse.dart:45) #2 SseCodec.decodeObject (package:flutter_rust_bridge/src/codec/sse.dart:35) #3 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:948) #4 Future._propagateToListeners (dart:async/future_impl.dart:977) #5 Future._completeWithValue (dart:async/future_impl.dart:720) #6 Future._asyncCompleteWithValue. (dart:async/future_impl.dart:804) #7 _microtaskLoop (dart:async/schedule_microtask.dart:40) #8 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49) === Unhandled Error 2026-04-26T00:42:53.024068 === Version: 0.9.90+9900 Exception: AnyhowException(An invalid argument was passed: 'Invalid regex: Empty match operators are not allowed (hopefully temporary).') Stack: #0 SimpleDecoder.decode (package:flutter_rust_bridge/src/codec/base.dart:32) #1 SseCodec._decode (package:flutter_rust_bridge/src/codec/sse.dart:45) #2 SseCodec.decodeObject (package:flutter_rust_bridge/src/codec/sse.dart:35) #3 TantivyDataProvider.countByBook (package:otzaria/data/data_providers/tantivy_data_provider.dart:568) #4 SearchBloc._refreshFacetCountsForAllBooks (package:otzaria/search/bloc/search_bloc.dart:232) === Unhandled Error 2026-04-26T00:42:53.063539 === Version: 0.9.90+9900 Exception: AnyhowException(An invalid argument was passed: 'Invalid regex: Empty match operators are not allowed (hopefully temporary).') Stack: #0 SimpleDecoder.decode (package:flutter_rust_bridge/src/codec/base.dart:32) #1 SseCodec._decode (package:flutter_rust_bridge/src/codec/sse.dart:45) #2 SseCodec.decodeObject (package:flutter_rust_bridge/src/codec/sse.dart:35) #3 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:948) #4 Future._propagateToListeners (dart:async/future_impl.dart:977) #5 Future._completeWithValue (dart:async/future_impl.dart:720) #6 Future._asyncCompleteWithValue. (dart:async/future_impl.dart:804) #7 _microtaskLoop (dart:async/schedule_microtask.dart:40) #8 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49)