Launching lib\main.dart on ONEPLUS A5000 in debug mode...
Built build\app\outputs\apk\debug\app-debug.apk.
I/flutter ( 9317): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter ( 9317): The following assertion was thrown building FutureBuilder<double>(dirty, state:
I/flutter ( 9317): _FutureBuilderState<double>#71ddb):
I/flutter ( 9317): 'package:flutter/src/widgets/basic.dart': Failed assertion: line 2208 pos 15: 'widthFactor == null
I/flutter ( 9317): || widthFactor >= 0.0': is not true.
I/flutter ( 9317):
I/flutter ( 9317): Either the assertion indicates an error in the framework itself, or we should provide substantially
I/flutter ( 9317): more information in this error message to help you determine and fix the underlying cause.
I/flutter ( 9317): In either case, please report this assertion by filing a bug on GitHub:
I/flutter ( 9317):   https://github.com/flutter/flutter/issues/new?template=BUG.md
I/flutter ( 9317):
I/flutter ( 9317): When the exception was thrown, this was the stack:
I/flutter ( 9317): #2      new FractionallySizedBox
package:flutter/…/widgets/basic.dart:2208
I/flutter ( 9317): #3      _Home.build.<anonymous closure>
package:ticketscanner/main.dart:308
I/flutter ( 9317): #4      _FutureBuilderState.build (package:flutter/src/widgets/async.dart)
I/flutter ( 9317): #5      StatefulElement.build
package:flutter/…/widgets/framework.dart:3830
I/flutter ( 9317): #6      ComponentElement.performRebuild
package:flutter/…/widgets/framework.dart:3741
I/flutter ( 9317): #7      Element.rebuild
package:flutter/…/widgets/framework.dart:3564
I/flutter ( 9317): #8      BuildOwner.buildScope
package:flutter/…/widgets/framework.dart:2277
I/flutter ( 9317): #9      _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame
package:flutter/…/widgets/binding.dart:700
I/flutter ( 9317): #10     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback
package:flutter/…/rendering/binding.dart:275
I/flutter ( 9317): #11     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback
package:flutter/…/scheduler/binding.dart:1012
I/flutter ( 9317): #12     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame
package:flutter/…/scheduler/binding.dart:952
I/flutter ( 9317): #13     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame
package:flutter/…/scheduler/binding.dart:864
I/flutter ( 9317): #17     _invoke (dart:ui/hooks.dart:219:10)
I/flutter ( 9317): #18     _drawFrame (dart:ui/hooks.dart:178:3)
I/flutter ( 9317): (elided 5 frames from class _AssertionError and package dart:async)
I/flutter ( 9317): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter ( 9317): Another exception was thrown: A RenderFlex overflowed by 99408 pixels on the bottom.