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Unusual Crash Report. Page with Tabs and multiple TextFields and Checkboxes #20508

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cathalgreaney opened this issue Aug 12, 2018 · 4 comments
Closed

Unusual Crash Report. Page with Tabs and multiple TextFields and Checkboxes #20508

cathalgreaney opened this issue Aug 12, 2018 · 4 comments

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@cathalgreaney
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cathalgreaney commented Aug 12, 2018 •
edited
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Building a straight forward form based app. Using a Gesture Detector... Listview to hold multiple TextFormFields and CheckboxListTiles into a Card contained within a Tab View.

The Tab View follows the pattern from the tab_fabs_demo app (flutter/flutter/flutter_examples in GitHub)

When interacting with various CheckBoxes the app crashes.

Flutter Doctor and Debug Log to follow...

The top of the Stacktrace references various 'Sliver' objects. I am using one CustomScrollView with Slivers in a separate BottomSheet. This Bottom Sheet is not visible during the crash and appears to be unrelated and I commented it out while debugging. It didn't affect the status of the bug.
@cathalgreaney
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cathalgreaney commented Aug 12, 2018 •
edited by zoechi
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flutter doctor:

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel beta, v0.5.1, on Microsoft Windows [Version 10.0.17134.165], locale en-IE)
[√] Android toolchain - develop for Android devices (Android SDK 27.0.3)
[√] Android Studio (version 3.1)
[!] VS Code, 64-bit edition (version 1.25.1)
[√] Connected devices (1 available)

! Doctor found issues in 1 category.
PS C:\Users\cgreaney\anSource\flutter\gensnap-flutter-superadmin> flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel beta, v0.5.1, on Microsoft Windows [Version 10.0.17134.165], locale en-IE)
[√] Android toolchain - develop for Android devices (Android SDK 27.0.3)
[√] Android Studio (version 3.1)
[!] VS Code, 64-bit edition (version 1.25.1)
[√] Connected devices (1 available)

! Doctor found issues in 1 category.

@cathalgreaney
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cathalgreaney commented Aug 12, 2018 •
edited by zoechi
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Debug Console:

I/flutter ( 8258): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter ( 8258): The following assertion was thrown building NotificationListener<KeepAliveNotification>:
I/flutter ( 8258): 'package:flutter/src/rendering/object.dart': Failed assertion: line 2775 pos 14:
I/flutter ( 8258): '_debugUltimatePreviousSiblingOf(after, equals: _firstChild)': is not true.
I/flutter ( 8258):
I/flutter ( 8258): Either the assertion indicates an error in the framework itself, or we should provide substantially
I/flutter ( 8258): more information in this error message to help you determine and fix the underlying cause.
I/flutter ( 8258): In either case, please report this assertion by filing a bug on GitHub:
I/flutter ( 8258):   https://github.com/flutter/flutter/issues/new
I/flutter ( 8258):
I/flutter ( 8258): When the exception was thrown, this was the stack:
I/flutter ( 8258): #2      _RenderSliverMultiBoxAdaptor&RenderSliver&ContainerRenderObjectMixin._insertIntoChildList (package:flutter/src/rendering/object.dart)
I/flutter ( 8258): #3      _RenderSliverMultiBoxAdaptor&RenderSliver&ContainerRenderObjectMixin.insert (package:flutter/src/rendering/object.dart:2809:5)
I/flutter ( 8258): #4      RenderSliverMultiBoxAdaptor.insert (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:209:11)
I/flutter ( 8258): #5      SliverMultiBoxAdaptorElement.insertChildRenderObject (package:flutter/src/widgets/sliver.dart:865:18)
I/flutter ( 8258): #6      RenderObjectElement.attachRenderObject (package:flutter/src/widgets/framework.dart:4513:35)
I/flutter ( 8258): #7      RenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4279:5)
I/flutter ( 8258): #8      SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4653:11)
I/flutter ( 8258): #9      Element.inflateWidget (package:flutter/src/widgets/framework.dart:2907:14)
I/flutter ( 8258): #10     Element.updateChild (package:flutter/src/widgets/framework.dart:2710:12)
I/flutter ( 8258): #11     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #12     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #13     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3622:5)
I/flutter ( 8258): #14     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3617:5)
I/flutter ( 8258): #15     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2907:14)
I/flutter ( 8258): #16     Element.updateChild (package:flutter/src/widgets/framework.dart:2710:12)
I/flutter ( 8258): #17     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #18     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #19     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3622:5)
I/flutter ( 8258): #20     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3617:5)
I/flutter ( 8258): #21     ParentDataElement.mount (package:flutter/src/widgets/framework.dart:3955:11)
I/flutter ( 8258): #22     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2907:14)
I/flutter ( 8258): #23     Element.updateChild (package:flutter/src/widgets/framework.dart:2710:12)
I/flutter ( 8258): #24     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #25     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #26     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3622:5)
I/flutter ( 8258): #27     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3769:11)
I/flutter ( 8258): #28     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3617:5)
I/flutter ( 8258): #29     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2907:14)
I/flutter ( 8258): #30     Element.updateChild (package:flutter/src/widgets/framework.dart:2710:12)
I/flutter ( 8258): #31     SliverMultiBoxAdaptorElement.updateChild (package:flutter/src/widgets/sliver.dart:744:36)
I/flutter ( 8258): #32     SliverMultiBoxAdaptorElement.performRebuild (package:flutter/src/widgets/sliver.dart:702:34)
I/flutter ( 8258): #33     SliverMultiBoxAdaptorElement.update (package:flutter/src/widgets/sliver.dart:671:7)
I/flutter ( 8258): #34     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #35     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #36     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #37     RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:4379:32)
I/flutter ( 8258): #38     MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4769:17)
I/flutter ( 8258): #39     _ViewportElement.update (package:flutter/src/widgets/viewport.dart:192:11)
I/flutter ( 8258): #40     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #41     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #42     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #43     ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #44     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #45     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #46     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #47     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #48     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #49     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #50     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #51     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #52     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #53     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #54     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #55     StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #56     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #57     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #58     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #59     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #60     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #61     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #62     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #63     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #64     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #65     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #66     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #67     StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #68     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #69     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #70     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #71     StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #72     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #73     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #74     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #75     StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #76     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #77     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #78     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #79     ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #80     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #81     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #82     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #83     StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #84     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #85     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #86     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #87     ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #88     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #89     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #90     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #91     StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #92     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #93     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #94     Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #95     StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #96     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #97     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #98     Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #99     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #100    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #101    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #102    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #103    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #104    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #105    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #106    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #107    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #108    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #109    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #110    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #111    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #112    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #113    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #114    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #115    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #116    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #117    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #118    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #119    ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #120    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #121    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #122    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #123    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #124    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #125    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #126    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #127    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #128    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #129    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #130    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #131    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #132    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #133    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #134    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #135    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #136    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #137    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #138    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #139    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #140    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #141    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #142    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #143    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #144    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #145    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #146    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #147    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #148    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #149    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #150    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #151    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #152    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #153    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #154    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #155    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #156    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #157    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #158    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #159    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #160    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #161    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #162    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #163    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #164    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #165    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #166    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #167    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #168    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #169    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #170    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #171    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #172    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #173    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #174    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #175    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #176    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #177    ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #178    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #179    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #180    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #181    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #182    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #183    SliverMultiBoxAdaptorElement.updateChild (package:flutter/src/widgets/sliver.dart:744:36)
I/flutter ( 8258): #184    SliverMultiBoxAdaptorElement.performRebuild (package:flutter/src/widgets/sliver.dart:702:34)
I/flutter ( 8258): #185    SliverMultiBoxAdaptorElement.update (package:flutter/src/widgets/sliver.dart:671:7)
I/flutter ( 8258): #186    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #187    RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:4379:32)
I/flutter ( 8258): #188    MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4769:17)
I/flutter ( 8258): #189    _ViewportElement.update (package:flutter/src/widgets/viewport.dart:192:11)
I/flutter ( 8258): #190    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #191    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #192    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #193    ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #194    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #195    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #196    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #197    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #198    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #199    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #200    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #201    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #202    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #203    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #204    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #205    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #206    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #207    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #208    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #209    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #210    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #211    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #212    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #213    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #214    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #215    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #216    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #217    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #218    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #219    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #220    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #221    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #222    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #223    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #224    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #225    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #226    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #227    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #228    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #229    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #230    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #231    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #232    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #233    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #234    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #235    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #236    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #237    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #238    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #239    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #240    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #241    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #242    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #243    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #244    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #245    ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #246    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #247    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #248    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #249    ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #250    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #251    RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:4379:32)
I/flutter ( 8258): #252    MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4769:17)
I/flutter ( 8258): #253    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #254    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #255    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #256    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #257    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #258    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #259    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #260    ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #261    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #262    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #263    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #264    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #265    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #266    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #267    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #268    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #269    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #270    StatelessElement.update (package:flutter/src/widgets/framework.dart:3702:5)
I/flutter ( 8258): #271    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #272    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4661:14)
I/flutter ( 8258): #273    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #274    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #275    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #276    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #277    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #278    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #279    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #280    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #281    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #282    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #283    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #284    ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #285    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #286    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #287    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #288    ProxyElement.update (package:flutter/src/widgets/framework.dart:3909:5)
I/flutter ( 8258): #289    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #290    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #291    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #292    StatefulElement.update (package:flutter/src/widgets/framework.dart:3799:5)
I/flutter ( 8258): #293    Element.updateChild (package:flutter/src/widgets/framework.dart:2699:15)
I/flutter ( 8258): #294    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3653:16)
I/flutter ( 8258): #295    Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter ( 8258): #296    BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2242:33)
I/flutter ( 8258): #297    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:626:20)
I/flutter ( 8258): #298    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:208:5)
I/flutter ( 8258): #299    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:990:15)
I/flutter ( 8258): #300    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:930:9)
I/flutter ( 8258): #301    _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:842:5)
I/flutter ( 8258): #302    _invoke (dart:ui/hooks.dart:120:13)
I/flutter ( 8258): #303    _drawFrame (dart:ui/hooks.dart:109:3)
I/flutter ( 8258): (elided 2 frames from class _AssertionError)
I/flutter ( 8258): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter ( 8258): Another exception was thrown: 'package:flutter/src/rendering/object.dart': Failed assertion: line 2775 pos 14: '_debugUltimatePreviousSiblingOf(after, equals: _firstChild)': is not true.
I/chatty  ( 8258): uid=10079(com.example.firstapp) 1.ui identical 1 line
I/flutter ( 8258): Another exception was thrown: 'package:flutter/src/rendering/object.dart': Failed assertion: line 2775 pos 14: '_debugUltimatePreviousSiblingOf(after, equals: _firstChild)': is not true.
I/flutter ( 8258): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 3497 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.
I/chatty  ( 8258): uid=10079(com.example.firstapp) 1.ui identical 21 lines
I/flutter ( 8258): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 3497 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.
I/flutter ( 8258): Another exception was thrown: 'package:flutter/src/rendering/sliver_multi_box_adaptor.dart': Failed assertion: line 215 pos 16: 'indexOf(child) > index': is not true.
I/chatty  ( 8258): uid=10079(com.example.firstapp) 1.ui identical 1 line
I/flutter ( 8258): Another exception was thrown: 'package:flutter/src/rendering/sliver_multi_box_adaptor.dart': Failed assertion: line 215 pos 16: 'indexOf(child) > index': is not true.
I/flutter ( 8258): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 3497 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.
I/chatty  ( 8258): uid=10079(com.example.firstapp) 1.ui identical 19 lines
I/flutter ( 8258): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 3497 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

@cathalgreaney
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Removed dependence on listeners and refactored form to be less dynamic and seems to have solved the issue. No clear reason for the bug.

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This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

@github-actions github-actions bot locked as resolved and limited conversation to collaborators Aug 31, 2021
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@cathalgreaney