=== Unhandled Error 2026-04-16T21:57:01.317867 === Exception: Null check operator used on a null value Stack: #0 State.context (package:flutter/src/widgets/framework.dart:959) #1 _PdfBookScreenState._resolveTextLineNumberForPage (package:otzaria/pdf_book/pdf_book_screen.dart:377) #2 _PdfBookScreenState._buildPdfViewerParams. (package:otzaria/pdf_book/pdf_book_screen.dart:780) === Unhandled Error 2026-04-16T21:57:31.740205 === Exception: Bad state: Cannot add new events after calling close Stack: #0 _BroadcastStreamController.add (dart:async/broadcast_stream_controller.dart:256) #1 Subject._add (package:rxdart/src/subjects/subject.dart:151) #2 Subject.add (package:rxdart/src/subjects/subject.dart:141) #3 _PdfDocumentPdfium._notifyMissingFonts (package:pdfrx_engine/src/native/pdfrx_pdfium.dart:663) === Unhandled Error 2026-04-16T21:57:53.654001 === Exception: Null check operator used on a null value Stack: #0 State.context (package:flutter/src/widgets/framework.dart:959) #1 _PdfBookScreenState._resolveTextLineNumberForPage (package:otzaria/pdf_book/pdf_book_screen.dart:377) #2 _PdfBookScreenState._buildPdfViewerParams. (package:otzaria/pdf_book/pdf_book_screen.dart:780) === Unhandled Error 2026-04-16T21:58:17.044548 === Exception: Null check operator used on a null value Stack: #0 State.context (package:flutter/src/widgets/framework.dart:959) #1 _PdfBookScreenState._resolveTextLineNumberForPage (package:otzaria/pdf_book/pdf_book_screen.dart:377) #2 _PdfBookScreenState._buildPdfViewerParams. (package:otzaria/pdf_book/pdf_book_screen.dart:780) === Unhandled Error 2026-04-16T22:00:42.385639 === Exception: Null check operator used on a null value Stack: #0 State.context (package:flutter/src/widgets/framework.dart:959) #1 _PdfBookScreenState._resolveTextLineNumberForPage (package:otzaria/pdf_book/pdf_book_screen.dart:377) #2 _PdfBookScreenState._buildPdfViewerParams. (package:otzaria/pdf_book/pdf_book_screen.dart:780) === Unhandled Error 2026-04-16T22:00:43.887796 === Exception: Bad state: Cannot add new events after calling close Stack: #0 _BroadcastStreamController.add (dart:async/broadcast_stream_controller.dart:256) #1 Subject._add (package:rxdart/src/subjects/subject.dart:151) #2 Subject.add (package:rxdart/src/subjects/subject.dart:141) #3 _PdfDocumentPdfium._notifyMissingFonts (package:pdfrx_engine/src/native/pdfrx_pdfium.dart:663) === Unhandled Error 2026-04-16T22:01:29.577097 === Exception: Null check operator used on a null value Stack: #0 State.context (package:flutter/src/widgets/framework.dart:959) #1 _PdfBookScreenState._resolveTextLineNumberForPage (package:otzaria/pdf_book/pdf_book_screen.dart:377) #2 _PdfBookScreenState._buildPdfViewerParams. (package:otzaria/pdf_book/pdf_book_screen.dart:780) === Unhandled Error 2026-04-16T22:02:05.853983 === Exception: Null check operator used on a null value Stack: #0 State.context (package:flutter/src/widgets/framework.dart:959) #1 _PdfBookScreenState._resolveTextLineNumberForPage (package:otzaria/pdf_book/pdf_book_screen.dart:377) #2 _PdfBookScreenState._buildPdfViewerParams. (package:otzaria/pdf_book/pdf_book_screen.dart:780)