When duplicating or deleting a component whilst a point light is also a component within an Actor BP, the editor crashes. See callstack for info.
This is a regression.
Working: 4.15.2
Broken: 4.16
RESULT:
Editor crashes.
EXPECTED RESULT:
Editor does not crash when duplicating a component if point light is also component within Actor BP.
UE4Editor_Engine!UActorComponent::RegisterComponentWithWorld() actorcomponent.cpp:924 UE4Editor_Engine!UActorComponent::RegisterComponent() actorcomponent.cpp:1015 UE4Editor_Engine!FComponentInstanceDataCache::FComponentInstanceDataCache() componentinstancedatacache.cpp:226 UE4Editor_Engine!AActor::FActorTransactionAnnotation::FActorTransactionAnnotation() actoreditor.cpp:284 UE4Editor_Engine!AActor::GetTransactionAnnotation() actoreditor.cpp:339 UE4Editor_UnrealEd!FTransaction::FObjectRecord::FObjectRecord() editortransaction.cpp:78 UE4Editor_UnrealEd!FTransaction::SaveObject() editortransaction.cpp:385 UE4Editor_CoreUObject!SaveToTransactionBuffer() uobjectglobals.cpp:2116 UE4Editor_CoreUObject!UObject::Modify() obj.cpp:1068 UE4Editor_Engine!AActor::Modify() actor.cpp:1073 UE4Editor_Engine!UWorld::DestroyActor() levelactor.cpp:608 UE4Editor_Engine!UChildActorComponent::DestroyChildActor() childactorcomponent.cpp:604 UE4Editor_Engine!UActorComponent::ExecuteUnregisterEvents() actorcomponent.cpp:1253 UE4Editor_Engine!UActorComponent::UnregisterComponent() actorcomponent.cpp:1037 UE4Editor_Engine!AActor::UnregisterAllComponents() actor.cpp:3983 UE4Editor_Engine!AActor::PostEditChangeProperty() actoreditor.cpp:124 UE4Editor_CoreUObject!UObject::PostEditChange() obj.cpp:332 UE4Editor_UnrealEd!FBlueprintEditorUtils::PostEditChangeBlueprintActors() blueprinteditorutils.cpp:7580 UE4Editor_Kismet!FBlueprintEditor::OnBlueprintChangedImpl() blueprinteditor.cpp:3191 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:2083 UE4Editor_Kismet!SSCSEditor::AddNewComponent() sscseditor.cpp:4833 UE4Editor_Kismet!SSCSEditor::OnDuplicateComponent() sscseditor.cpp:3890 UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,SSCSEditor,0,TTypeWrapper<void> __cdecl() delegateinstancesimpl.h:327 UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,SSCSEditor,0,void __cdecl() delegateinstancesimpl.h:433 UE4Editor_Slate!FUICommandList::ExecuteAction() uicommandlist.cpp:97 UE4Editor_Slate!SMenuEntryBlock::OnClicked() smenuentryblock.cpp:1042 UE4Editor_Slate!SMenuEntryBlock::OnMenuItemButtonClicked() smenuentryblock.cpp:1002 UE4Editor_Slate!TMemberFunctionCaller<SMenuEntryBlock,FReply() delegateinstanceinterface.h:165 UE4Editor_Slate!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SMenuEntryBlock,FReply() tuple.h:497 UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SMenuEntryBlock,0,FReply __cdecl() delegateinstancesimpl.h:327 UE4Editor_Slate!TBaseDelegate<FReply>::Execute() delegatesignatureimpl.inl:537 UE4Editor_Slate!SButton::OnMouseButtonUp() sbutton.cpp:278 UE4Editor_Slate!SMenuEntryButton::OnMouseButtonUp() smenuentryblock.cpp:399 UE4Editor_Slate!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator() slateapplication.cpp:5049 UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1> >() slateapplication.cpp:239 UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() slateapplication.cpp:5038 UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() slateapplication.cpp:5515 UE4Editor_Slate!FSlateApplication::OnMouseUp() slateapplication.cpp:5495 UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() windowsapplication.cpp:1704 UE4Editor_Core!FWindowsApplication::DeferMessage() windowsapplication.cpp:2127 UE4Editor_Core!FWindowsApplication::ProcessMessage() windowsapplication.cpp:867 UE4Editor_Core!FWindowsApplication::AppWndProc() windowsapplication.cpp:714 user32!<Unknown> user32!<Unknown> UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() windowsplatformmisc.cpp:980 UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:3058 UE4Editor!GuardedMain() launch.cpp:166 UE4Editor!GuardedMainWrapper() launchwindows.cpp:134 UE4Editor!WinMain() launchwindows.cpp:210 UE4Editor!__scrt_common_main_seh() exe_common.inl:264 kernel32!<Unknown> ntdll!<Unknown>
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-44372 in the post.
| 0 |
| Component | UE - Gameplay - Blueprint Editor |
|---|---|
| Affects Versions | 4.16 |
| Target Fix | 4.16 |
| Created | Apr 25, 2017 |
|---|---|
| Resolved | Apr 26, 2017 |
| Updated | May 6, 2017 |