This is a trending crash coming out of the 4.18 previews and 4.18.0. Users have not provided any descriptions of their actions when the crash occurred.
Source Context
597 void UWidget::SetAllNavigationRules(EUINavigationRule Rule, FName WidgetToFocus)
598 {
599 SetNavigationRuleInternal(EUINavigation::Up, Rule, WidgetToFocus);
600 SetNavigationRuleInternal(EUINavigation::Down, Rule, WidgetToFocus);
601 SetNavigationRuleInternal(EUINavigation::Left, Rule, WidgetToFocus);
602 SetNavigationRuleInternal(EUINavigation::Right, Rule, WidgetToFocus);
603 SetNavigationRuleInternal(EUINavigation::Next, Rule, WidgetToFocus);
604 SetNavigationRuleInternal(EUINavigation::Previous, Rule, WidgetToFocus);
605 BuildNavigation();
606 }
607
608 UPanelWidget* UWidget::GetParent() const
609 ***** {
610 if ( Slot )
611 {
612 return Slot->Parent;
613 }
614
615 return nullptr;
616 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_UMG!UWidget::GetParent() [widget.cpp:610] UE4Editor_UMGEditor!FWidgetBlueprintEditorUtils::FindAllAncestorNamedSlotHostWidgetsForContent() [widgetblueprinteditorutils.cpp:452] UE4Editor_UMGEditor!SDesignerView::OnEditorSelectionChanged() [sdesignerview.cpp:1156] UE4Editor_UMGEditor!TBaseRawMethodDelegateInstance<0,SDesignerView,void __cdecl() [delegateinstancesimpl.h:648] UE4Editor_UMGEditor!TBaseMulticastDelegate<void>::Broadcast() [delegatesignatureimpl.inl:937] UE4Editor_UMGEditor!FWidgetBlueprintEditor::SelectWidgets() [widgetblueprinteditor.cpp:212] UE4Editor_UMGEditor!FWidgetBlueprintEditor::CleanSelection() [widgetblueprinteditor.cpp:269] UE4Editor_UMGEditor!FWidgetBlueprintEditor::RefreshPreview() [widgetblueprinteditor.cpp:755] UE4Editor_UMGEditor!FWidgetBlueprintEditor::OnBlueprintChangedImpl() [widgetblueprinteditor.cpp:310] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl() [delegateinstancesimpl.h:434] UE4Editor_Engine!TBaseMulticastDelegate<void,UBlueprint * __ptr64>::Broadcast() [delegatesignatureimpl.inl:937] UE4Editor_UnrealEd!FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified() [blueprinteditorutils.cpp:2107] UE4Editor_Kismet!FixSubObjectReferencesPostUndoRedo() [blueprinteditormodule.cpp:164] UE4Editor_UnrealEd!UEditorEngine::BroadcastPostUndo() [editorserver.cpp:5051] UE4Editor_UnrealEd!UEditorEngine::HandleTransactorUndo() [editorserver.cpp:1186] UE4Editor_UnrealEd!TBaseUObjectMethodDelegateInstance<0,UEditorEngine,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:766] UE4Editor_UnrealEd!TBaseUObjectMethodDelegateInstance<0,UEditorEngine,void __cdecl() [delegateinstancesimpl.h:856] UE4Editor_UnrealEd!TBaseMulticastDelegate<void,FUndoSessionContext,bool>::Broadcast() [delegatesignatureimpl.inl:937] UE4Editor_UnrealEd!UTransBuffer::Undo() [editortransaction.cpp:893] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl() [delegateinstancesimpl.h:434] UE4Editor_Slate!FUICommandList::ConditionalProcessCommandBindings() [uicommandlist.cpp:216] UE4Editor_Slate!FUICommandList::ProcessCommandBindings() [uicommandlist.cpp:160] UE4Editor_UnrealEd!FBaseToolkit::ProcessCommandBindings() [basetoolkit.cpp:74] UE4Editor_UnrealEd!SStandaloneAssetEditorToolkitHost::OnKeyDown() [sstandaloneasseteditortoolkithost.cpp:324] UE4Editor_Slate!<lambda_2afcd964c763e269e2d1a63f3a72f846>::operator() [slateapplication.cpp:4834] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_2afcd964c763e269e2d1a63f3a72f846> >() [slateapplication.cpp:234] UE4Editor_Slate!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_2afcd964c763e269e2d1a63f3a72f846>,FKeyEvent>() [slateapplication.cpp:216] UE4Editor_Slate!FSlateApplication::ProcessKeyDownEvent() [slateapplication.cpp:4832] UE4Editor_Slate!FSlateApplication::OnKeyDown() [slateapplication.cpp:4744] UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1560] UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2171] UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:888] UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [windowsapplication.cpp:725] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [windowsplatformapplicationmisc.cpp:129] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3220] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
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| 1 |
| Component | UE - Editor - UI Systems |
|---|---|
| Affects Versions | 4.18, 4.19 |
| Target Fix | 4.19 |
| Created | Oct 19, 2017 |
|---|---|
| Resolved | Feb 2, 2018 |
| Updated | Apr 27, 2018 |