=== FlutterError 2026-04-17T00:28:13.545842 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:13.677556 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:13.716642 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:15.712077 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:15.716078 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:15.746479 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:15.749818 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.105530 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.110648 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.138461 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.142518 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.168769 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.172055 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.239016 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.242026 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.371618 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.376618 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.494300 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.498644 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.510762 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.513844 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.527690 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.530689 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.550068 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.553972 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.570784 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.573817 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.602556 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.606614 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.667120 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.671417 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.790232 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.794416 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.932949 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.937969 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.957459 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.960460 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.984945 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:16.988959 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.012522 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.016524 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.124858 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.128969 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.351860 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.357110 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.367005 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.370111 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.399478 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.402479 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.520401 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.525910 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.687413 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.690456 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.713448 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.716760 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.733711 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.737615 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.766321 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.769362 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.877882 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:17.883849 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.084792 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.089790 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.117188 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.120187 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.131366 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.134313 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.166933 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.170975 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.211608 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.215605 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.326059 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.329974 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.485372 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.490371 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.518888 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.523136 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.531338 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.534344 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.566168 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.569169 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.681108 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:18.685118 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:20.242406 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:20.247634 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:26.493650 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:26.499641 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:40.166704 === Exception: Null check operator used on a null value Library: widgets library Context: Instance of 'ErrorDescription' Stack: #0 PdfViewerController._state (package:pdfrx/src/widgets/pdf_viewer.dart:3701) #1 PdfViewerController.value (package:pdfrx/src/widgets/pdf_viewer.dart:3783) #2 _ValueListenableBuilderState.didUpdateWidget (package:flutter/src/widgets/value_listenable_builder.dart:124) #3 StatefulElement.update (package:flutter/src/widgets/framework.dart:5991) #4 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #5 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5841) #6 Element.rebuild (package:flutter/src/widgets/framework.dart:5529) #7 StatelessElement.update (package:flutter/src/widgets/framework.dart:5895) #8 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #9 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5841) #10 Element.rebuild (package:flutter/src/widgets/framework.dart:5529) #11 StatelessElement.update (package:flutter/src/widgets/framework.dart:5895) #12 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #13 Element.updateChildren (package:flutter/src/widgets/framework.dart:4191) #14 MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:7295) #15 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #16 SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:7122) #17 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #18 _LayoutBuilderElement._rebuildWithConstraints.updateChildCallback (package:flutter/src/widgets/layout_builder.dart:247) #19 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:3101) #20 _LayoutBuilderElement._rebuildWithConstraints (package:flutter/src/widgets/layout_builder.dart:270) #21 RenderAbstractLayoutBuilderMixin.layoutCallback (package:flutter/src/widgets/layout_builder.dart:333) #22 RenderObjectWithLayoutCallbackMixin.runLayoutCallback. (package:flutter/src/rendering/object.dart:4162) #23 RenderObject.invokeLayoutCallback. (package:flutter/src/rendering/object.dart:2887) #24 PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:1223) #25 RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:2886) #26 RenderObjectWithLayoutCallbackMixin.runLayoutCallback (package:flutter/src/rendering/object.dart:4162) #27 _RenderLayoutBuilder.performLayout (package:flutter/src/widgets/layout_builder.dart:447) #28 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #29 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:118) #30 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #31 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:118) #32 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #33 ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:62) #34 RenderStack._computeSize (package:flutter/src/rendering/stack.dart:645) #35 RenderStack.performLayout (package:flutter/src/rendering/stack.dart:680) #36 RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:2616) #37 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1174) #38 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1187) #39 RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:629) #40 WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:1304) #41 RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:495) #42 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #43 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1345) #44 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #45 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #46 _invoke (dart:ui/hooks.dart:356) #47 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #48 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-17T00:28:46.766678 === Exception: Null check operator used on a null value Library: widgets library Context: Instance of 'ErrorDescription' Stack: #0 PdfViewerController._state (package:pdfrx/src/widgets/pdf_viewer.dart:3701) #1 PdfViewerController.value (package:pdfrx/src/widgets/pdf_viewer.dart:3783) #2 _ValueListenableBuilderState.initState (package:flutter/src/widgets/value_listenable_builder.dart:115) #3 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:5950) #4 ComponentElement.mount (package:flutter/src/widgets/framework.dart:5793) #5 Element.inflateWidget (package:flutter/src/widgets/framework.dart:4587) #6 Element.updateChild (package:flutter/src/widgets/framework.dart:4053) #7 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5841) #8 Element.rebuild (package:flutter/src/widgets/framework.dart:5529) #9 StatelessElement.update (package:flutter/src/widgets/framework.dart:5895) #10 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #11 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5841) #12 Element.rebuild (package:flutter/src/widgets/framework.dart:5529) #13 StatelessElement.update (package:flutter/src/widgets/framework.dart:5895) #14 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #15 Element.updateChildren (package:flutter/src/widgets/framework.dart:4191) #16 MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:7295) #17 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #18 SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:7122) #19 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #20 _LayoutBuilderElement._rebuildWithConstraints.updateChildCallback (package:flutter/src/widgets/layout_builder.dart:247) #21 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:3101) #22 _LayoutBuilderElement._rebuildWithConstraints (package:flutter/src/widgets/layout_builder.dart:270) #23 RenderAbstractLayoutBuilderMixin.layoutCallback (package:flutter/src/widgets/layout_builder.dart:333) #24 RenderObjectWithLayoutCallbackMixin.runLayoutCallback. (package:flutter/src/rendering/object.dart:4162) #25 RenderObject.invokeLayoutCallback. (package:flutter/src/rendering/object.dart:2887) #26 PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:1223) #27 RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:2886) #28 RenderObjectWithLayoutCallbackMixin.runLayoutCallback (package:flutter/src/rendering/object.dart:4162) #29 _RenderLayoutBuilder.performLayout (package:flutter/src/widgets/layout_builder.dart:447) #30 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #31 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:118) #32 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #33 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:118) #34 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #35 ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:62) #36 RenderStack._computeSize (package:flutter/src/rendering/stack.dart:645) #37 RenderStack.performLayout (package:flutter/src/rendering/stack.dart:680) #38 RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:2616) #39 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1174) #40 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1187) #41 RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:629) #42 WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:1304) #43 RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:495) #44 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #45 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1345) #46 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #47 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #48 _invoke (dart:ui/hooks.dart:356) #49 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #50 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-17T00:28:48.204274 === Exception: Null check operator used on a null value Library: widgets library Context: Instance of 'ErrorDescription' Stack: #0 PdfViewerController._state (package:pdfrx/src/widgets/pdf_viewer.dart:3701) #1 PdfViewerController.value (package:pdfrx/src/widgets/pdf_viewer.dart:3783) #2 _ValueListenableBuilderState.initState (package:flutter/src/widgets/value_listenable_builder.dart:115) #3 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:5950) #4 ComponentElement.mount (package:flutter/src/widgets/framework.dart:5793) #5 Element.inflateWidget (package:flutter/src/widgets/framework.dart:4587) #6 Element.updateChild (package:flutter/src/widgets/framework.dart:4053) #7 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5841) #8 Element.rebuild (package:flutter/src/widgets/framework.dart:5529) #9 StatelessElement.update (package:flutter/src/widgets/framework.dart:5895) #10 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #11 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5841) #12 Element.rebuild (package:flutter/src/widgets/framework.dart:5529) #13 StatelessElement.update (package:flutter/src/widgets/framework.dart:5895) #14 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #15 Element.updateChildren (package:flutter/src/widgets/framework.dart:4191) #16 MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:7295) #17 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #18 SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:7122) #19 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #20 _LayoutBuilderElement._rebuildWithConstraints.updateChildCallback (package:flutter/src/widgets/layout_builder.dart:247) #21 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:3101) #22 _LayoutBuilderElement._rebuildWithConstraints (package:flutter/src/widgets/layout_builder.dart:270) #23 RenderAbstractLayoutBuilderMixin.layoutCallback (package:flutter/src/widgets/layout_builder.dart:333) #24 RenderObjectWithLayoutCallbackMixin.runLayoutCallback. (package:flutter/src/rendering/object.dart:4162) #25 RenderObject.invokeLayoutCallback. (package:flutter/src/rendering/object.dart:2887) #26 PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:1223) #27 RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:2886) #28 RenderObjectWithLayoutCallbackMixin.runLayoutCallback (package:flutter/src/rendering/object.dart:4162) #29 _RenderLayoutBuilder.performLayout (package:flutter/src/widgets/layout_builder.dart:447) #30 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #31 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:118) #32 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #33 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:118) #34 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #35 ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:62) #36 RenderStack._computeSize (package:flutter/src/rendering/stack.dart:645) #37 RenderStack.performLayout (package:flutter/src/rendering/stack.dart:680) #38 RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:2616) #39 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1174) #40 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1187) #41 RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:629) #42 WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:1304) #43 RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:495) #44 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #45 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1345) #46 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #47 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #48 _invoke (dart:ui/hooks.dart:356) #49 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #50 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-17T00:28:48.711690 === Exception: Null check operator used on a null value Library: widgets library Context: Instance of 'ErrorDescription' Stack: #0 PdfViewerController._state (package:pdfrx/src/widgets/pdf_viewer.dart:3701) #1 PdfViewerController.value (package:pdfrx/src/widgets/pdf_viewer.dart:3783) #2 _ValueListenableBuilderState.initState (package:flutter/src/widgets/value_listenable_builder.dart:115) #3 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:5950) #4 ComponentElement.mount (package:flutter/src/widgets/framework.dart:5793) #5 Element.inflateWidget (package:flutter/src/widgets/framework.dart:4587) #6 Element.updateChild (package:flutter/src/widgets/framework.dart:4053) #7 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5841) #8 Element.rebuild (package:flutter/src/widgets/framework.dart:5529) #9 StatelessElement.update (package:flutter/src/widgets/framework.dart:5895) #10 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #11 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5841) #12 Element.rebuild (package:flutter/src/widgets/framework.dart:5529) #13 StatelessElement.update (package:flutter/src/widgets/framework.dart:5895) #14 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #15 Element.updateChildren (package:flutter/src/widgets/framework.dart:4191) #16 MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:7295) #17 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #18 SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:7122) #19 Element.updateChild (package:flutter/src/widgets/framework.dart:4037) #20 _LayoutBuilderElement._rebuildWithConstraints.updateChildCallback (package:flutter/src/widgets/layout_builder.dart:247) #21 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:3101) #22 _LayoutBuilderElement._rebuildWithConstraints (package:flutter/src/widgets/layout_builder.dart:270) #23 RenderAbstractLayoutBuilderMixin.layoutCallback (package:flutter/src/widgets/layout_builder.dart:333) #24 RenderObjectWithLayoutCallbackMixin.runLayoutCallback. (package:flutter/src/rendering/object.dart:4162) #25 RenderObject.invokeLayoutCallback. (package:flutter/src/rendering/object.dart:2887) #26 PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:1223) #27 RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:2886) #28 RenderObjectWithLayoutCallbackMixin.runLayoutCallback (package:flutter/src/rendering/object.dart:4162) #29 _RenderLayoutBuilder.performLayout (package:flutter/src/widgets/layout_builder.dart:447) #30 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #31 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:118) #32 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #33 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:118) #34 RenderObject.layout (package:flutter/src/rendering/object.dart:2768) #35 ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:62) #36 RenderStack._computeSize (package:flutter/src/rendering/stack.dart:645) #37 RenderStack.performLayout (package:flutter/src/rendering/stack.dart:680) #38 RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:2616) #39 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1174) #40 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1187) #41 RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:629) #42 WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:1304) #43 RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:495) #44 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1430) #45 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1345) #46 SentryWidgetsBindingMixin.handleDrawFrame (package:sentry_flutter/src/binding_wrapper.dart:128) #47 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1198) #48 _invoke (dart:ui/hooks.dart:356) #49 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:444) #50 _drawFrame (dart:ui/hooks.dart:328) === FlutterError 2026-04-17T00:28:49.988228 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:49.993139 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:51.132584 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:51.136488 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:51.880484 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:51.884500 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:52.604602 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:52.608609 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:53.784884 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:53.789106 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:53.885168 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:28:53.889068 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:29:03.019245 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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 2026-04-17T00:29:03.024247 === Exception: Null check operator used on a null value Library: foundation library Context: Instance of 'ErrorDescription' 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)