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Exception while scrolling through TabBar navigation #18756

@sahil311289

Description

@sahil311289
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flutter: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
flutter: The following assertion was thrown while finalizing the widget tree:
flutter: 'package:flutter/src/widgets/scroll_position.dart': Failed assertion: line 657 pos 12: 'pixels !=
flutter: null': is not true.
flutter:
flutter: Either the assertion indicates an error in the framework itself, or we should provide substantially
flutter: more information in this error message to help you determine and fix the underlying cause.
flutter: In either case, please report this assertion by filing a bug on GitHub:
flutter:   https://github.com/flutter/flutter/issues/new
flutter:
flutter: When the exception was thrown, this was the stack:
flutter: #2      ScrollPosition.dispose (package:flutter/src/widgets/scroll_position.dart)
flutter: #3      ScrollPositionWithSingleContext.dispose (package:flutter/src/widgets/scroll_position_with_single_context.dart:255:11)
flutter: #4      ScrollableState.dispose (package:flutter/src/widgets/scrollable.dart:324:14)
flutter: #5      StatefulElement.unmount (package:flutter/src/widgets/framework.dart:3821:12)
flutter: #6      _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1697:13)
flutter: #7      _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #8      ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #9      _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #10     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #11     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #12     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #13     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #14     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #15     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #16     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #17     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #18     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #19     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #20     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #21     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #22     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #23     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #24     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #25     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #26     MultiChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4742:16)
flutter: #27     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #28     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #29     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #30     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #31     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #32     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #33     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #34     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #35     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #36     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #37     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #38     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #39     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #40     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #41     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #42     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #43     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #44     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #45     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #46     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #47     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #48     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #49     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #50     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #51     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #52     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #53     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #54     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #55     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #56     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #57     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #58     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #59     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #60     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #61     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #62     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #63     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #64     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #65     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #66     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #67     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #68     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #69     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #70     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #71     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #72     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #73     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #74     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #75     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #76     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #77     MultiChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4742:16)
flutter: #78     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #79     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #80     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #81     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #82     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #83     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #84     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #85     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #86     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #87     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #88     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #89     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #90     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #91     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #92     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #93     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #94     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #95     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #96     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #97     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #98     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #99     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #100    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #101    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #102    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #103    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #104    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #105    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #106    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #107    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #108    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #109    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #110    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #111    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #112    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #113    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #114    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #115    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #116    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #117    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #118    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #119    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #120    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #121    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #122    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #123    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #124    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #125    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #126    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #127    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #128    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #129    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #130    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #131    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #132    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #133    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #134    MultiChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4742:16)
flutter: #135    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #136    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #137    _TheatreElement.visitChildren (package:flutter/src/widgets/overlay.dart:465:14)
flutter: #138    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #139    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #140    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #141    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #142    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #143    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #144    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #145    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #146    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #147    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #148    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #149    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #150    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #151    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #152    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #153    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #154    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #155    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #156    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #157    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #158    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #159    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #160    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #161    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #162    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #163    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #164    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #165    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #166    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #167    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #168    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #169    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #170    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #171    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #172    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #173    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #174    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #175    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #176    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #177    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #178    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #179    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #180    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #181    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #182    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #183    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #184    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #185    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #186    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #187    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #188    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #189    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #190    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #191    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #192    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #193    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #194    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #195    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #196    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #197    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #198    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #199    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #200    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #201    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #202    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #203    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #204    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #205    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #206    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #207    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #208    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #209    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #210    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #211    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #212    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #213    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #214    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #215    SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:4642:14)
flutter: #216    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #217    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #218    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #219    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #220    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #221    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #222    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #223    _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1695:7)
flutter: #224    ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:3676:14)
flutter: #225    _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1693:13)
flutter: #226    ListIterable.forEach (dart:_internal/iterable.dart:39:13)
flutter: #227    _InactiveElements._unmountAll (package:flutter/src/widgets/framework.dart:1706:25)
flutter: #228    BuildOwner.finalizeTree.<anonymous closure> (package:flutter/src/widgets/framework.dart:2328:27)
flutter: #229    BuildOwner.lockState (package:flutter/src/widgets/framework.dart:2160:15)
flutter: #230    BuildOwner.finalizeTree (package:flutter/src/widgets/framework.dart:2327:7)
flutter: #231    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:628:18)
flutter: #232    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:208:5)
flutter: #233    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:990:15)
flutter: #234    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:930:9)
flutter: #235    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:842:5)
flutter: #236    _invoke (dart:ui/hooks.dart:120:13)
flutter: #237    _drawFrame (dart:ui/hooks.dart:109:3)
flutter: (elided 2 frames from class _AssertionError)
flutter: ════════════════════════════════════════════════════════════════════════════════════════════════════

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c: crashStack traces logged to the consolef: material designflutter/packages/flutter/material repository.frameworkflutter/packages/flutter repository. See also f: labels.

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