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@litekangel
Created May 4, 2017 12:09
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I/flutter ( 7305): 'package:flutter/src/widgets/framework.dart': Failed assertion: line 1346 pos 12:
I/flutter ( 7305): '!children.any((Widget child) => child == null)': is not true.
I/flutter ( 7305):
I/flutter ( 7305): Either the assertion indicates an error in the framework itself, or we should provide substantially
I/flutter ( 7305): more information in this error message to help you determine and fix the underlying cause.
I/flutter ( 7305): In either case, please report this assertion by filing a bug on GitHub:
I/flutter ( 7305): https://github.com/flutter/flutter/issues/new
I/flutter ( 7305):
I/flutter ( 7305): When the exception was thrown, this was the stack:
I/flutter ( 7305): #2 MultiChildRenderObjectWidget.MultiChildRenderObjectWidget (package:flutter/src/widgets/framework.dart:1346:12)
I/flutter ( 7305): #3 Flex.Flex (package:flutter/src/widgets/basic.dart:1951:8)
I/flutter ( 7305): #4 Column.Column (package:flutter/src/widgets/basic.dart:2146:8)
I/flutter ( 7305): #5 _ConnectWidgetState.build (/data/user/0/com.yourcompany.klab/cache/klabvbAvSI/klab/lib/main.dart:392:20)
I/flutter ( 7305): #6 StatefulElement.build (package:flutter/src/widgets/framework.dart:3234:27)
I/flutter ( 7305): #7 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3144:15)
I/flutter ( 7305): #8 Element.rebuild (package:flutter/src/widgets/framework.dart:3045:5)
I/flutter ( 7305): #9 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3124:5)
I/flutter ( 7305): #10 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3262:22)
I/flutter ( 7305): #11 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3119:5)
I/flutter ( 7305): #12 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2506:14)
I/flutter ( 7305): #13 Element.updateChild (package:flutter/src/widgets/framework.dart:2309:12)
I/flutter ( 7305): #14 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4085:14)
I/flutter ( 7305): #15 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2506:14)
I/flutter ( 7305): #16 Element.updateChild (package:flutter/src/widgets/framework.dart:2309:12)
I/flutter ( 7305): #17 SliverMultiBoxAdaptorElement.createChild.<anonymous closure> (package:flutter/src/widgets/sliver.dart:534:20)
I/flutter ( 7305): #18 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:1878:19)
I/flutter ( 7305): #19 SliverMultiBoxAdaptorElement.createChild (package:flutter/src/widgets/sliver.dart:527:11)
I/flutter ( 7305): #20 RenderSliverMultiBoxAdaptor.addInitialChild.<anonymous closure> (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:216:21)
I/flutter ( 7305): #21 RenderObject.invokeLayoutCallback.<anonymous closure> (package:flutter/src/rendering/object.dart:1922:58)
I/flutter ( 7305): #22 PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:1052:15)
I/flutter ( 7305): #23 RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:1922:13)
I/flutter ( 7305): #24 RenderSliverMultiBoxAdaptor.addInitialChild (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:214:5)
I/flutter ( 7305): #25 RenderSliverList.performLayout (package:flutter/src/rendering/sliver_list.dart:78:12)
I/flutter ( 7305): #26 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #27 RenderViewportBase.layoutChildSequence (package:flutter/src/rendering/viewport.dart:182:13)
I/flutter ( 7305): #28 RenderViewport._attemptLayout (package:flutter/src/rendering/viewport.dart:792:12)
I/flutter ( 7305): #29 RenderViewport.performLayout (package:flutter/src/rendering/viewport.dart:716:20)
I/flutter ( 7305): #30 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #31 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #32 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #33 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #34 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #35 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #36 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #37 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #38 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #39 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #40 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #41 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #42 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #43 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #44 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #45 MultiChildLayoutDelegate.layoutChild (package:flutter/src/rendering/custom_layout.dart:124:11)
I/flutter ( 7305): #46 _ScaffoldLayout.performLayout (package:flutter/src/material/scaffold.dart:85:7)
I/flutter ( 7305): #47 MultiChildLayoutDelegate._callPerformLayout (package:flutter/src/rendering/custom_layout.dart:194:7)
I/flutter ( 7305): #48 RenderCustomMultiChildLayoutBox.performLayout (package:flutter/src/rendering/custom_layout.dart:338:14)
I/flutter ( 7305): #49 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #50 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #51 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #52 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #53 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #54 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #55 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #56 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #57 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #58 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #59 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #60 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #61 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #62 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #63 RenderOffstage.performLayout (package:flutter/src/rendering/proxy_box.dart:2462:26)
I/flutter ( 7305): #64 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #65 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #66 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #67 RenderStack.performLayout (package:flutter/src/rendering/stack.dart:356:15)
I/flutter ( 7305): #68 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #69 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #70 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #71 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #72 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #73 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #74 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #75 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #76 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #77 RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:100:13)
I/flutter ( 7305): #78 RenderObject.layout (package:flutter/src/rendering/object.dart:1830:7)
I/flutter ( 7305): #79 RenderView.performLayout (package:flutter/src/rendering/view.dart:120:13)
I/flutter ( 7305): #80 RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1707:7)
I/flutter ( 7305): #81 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1030:18)
I/flutter ( 7305): #82 BindingBase&SchedulerBinding&GestureBinding&ServicesBinding&RendererBinding.beginFrame (package:flutter/src/rendering/binding.dart:225:19)
I/flutter ( 7305): #83 BindingBase&SchedulerBinding&GestureBinding&ServicesBinding&RendererBinding&WidgetsBinding.beginFrame (package:flutter/src/widgets/binding.dart:354:23)
I/flutter ( 7305): #84 BindingBase&SchedulerBinding&GestureBinding&ServicesBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:170:5)
I/flutter ( 7305): #85 BindingBase&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:645:15)
I/flutter ( 7305): #86 BindingBase&SchedulerBinding.handleBeginFrame (package:flutter/src/scheduler/binding.dart:580:9)
I/flutter ( 7305): #87 runApp (package:flutter/src/widgets/binding.dart:426:7)
I/flutter ( 7305): #88 main (/data/user/0/com.yourcompany.klab/cache/klabvbAvSI/klab/lib/main.dart:544:3)
I/flutter ( 7305): #89 _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:265)
I/flutter ( 7305): #90 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:151)
I/flutter ( 7305): (elided 2 frames from class _AssertionError)
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