I am trying to convert a Flutter widget to an image. This code runs properly in debug APK mode, but it shows an exception when I use flutter build apk
E/flutter ( 1555): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: LateInitializationError: Local ‘result’ has not been initialized. E/flutter ( 1555): #0 LateError._throwLocalNotInitialized (dart:_internal-patch/internal_patch.dart:190) E/flutter ( 1555): #1 RenderObject.debugNeedsPaint (package:flutter/src/rendering/object.dart) E/flutter ( 1555): #2 _HomeScreenState._capturePng (package:geeta_gyandhara/screens/home/home_screen.dart:48) E/flutter ( 1555): #3 _HomeScreenState.buildShlokaCard.<anonymous closure> (package:geeta_gyandhara/screens/home/home_screen.dart:169) E/flutter ( 1555): #4 _InkResponseState.handleTap (package:flutter/src/material/ink_well.dart:1171) E/flutter ( 1555): #5 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:344) E/flutter ( 1555): #6 TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:652) E/flutter ( 1555): #7 BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:309) E/flutter ( 1555): #8 BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:279) E/flutter ( 1555): #9 GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:167) E/flutter ( 1555): #10 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:499) E/flutter ( 1555): #11 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:475) E/flutter ( 1555): #12 RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:425) E/flutter ( 1555): #13 GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:420) E/flutter ( 1555): #14 GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:383) E/flutter ( 1555): #15 GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:330) E/flutter ( 1555): #16 GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:299) E/flutter ( 1555): #17 _invoke1 (dart:ui/hooks.dart:328) E/flutter ( 1555): #18 PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:442) E/flutter ( 1555): #19 _dispatchPointerDataPacket (dart:ui/hooks.dart:262) E/flutter ( 1555):