Description

Crash Reporter: [Link Removed]

Access violation - code c0000005 (first/second chance not available)

Characteristics of this bug: Tends to occur if an AnimBlueprint window is open with other Blueprints open (for example, the Character Blueprint.) Making a change in one, compiling and navigating back to the AnimBlueprint results in a crash.

Callstack

UE4Editor_CoreUObject!FGenericPlatformStricmp::CompatibleCharTypesStricmp<wchar_t,wchar_t>() [genericplatformstricmp.h:44]
UE4Editor_CoreUObject!TProperty_WithEqualityAndSerializer<FString,UProperty>::Identical() [unrealtype.h:1020]
UE4Editor_CoreUObject!UStruct::SerializeTaggedProperties() [class.cpp:1298]
UE4Editor_CoreUObject!UObject::SerializeScriptProperties() [obj.cpp:985]
UE4Editor_CoreUObject!UObject::Serialize() [obj.cpp:927]
UE4Editor_Engine!UAnimInstance::Serialize() [animinstance.cpp:1185]
UE4Editor_Engine!UEngine::CopyPropertiesForUnrelatedObjects() [unrealengine.cpp:10520]
UE4Editor_KismetCompiler!FKismetCompilerContext::Compile() [kismetcompiler.cpp:3545]
UE4Editor_KismetCompiler!FKismet2CompilerModule::CompileBlueprintInner() [kismetcompilermodule.cpp:93]
UE4Editor_KismetCompiler!FKismet2CompilerModule::CompileBlueprint() [kismetcompilermodule.cpp:168]
UE4Editor_UnrealEd!FKismetEditorUtilities::RecompileBlueprintBytecode() [kismet2.cpp:920]
UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReinstanceObjects() [kismetreinstanceutilities.cpp:543]
UE4Editor_KismetCompiler!FKismet2CompilerModule::CompileBlueprint() [kismetcompilermodule.cpp:200]
UE4Editor_UnrealEd!FKismetEditorUtilities::CompileBlueprint() [kismet2.cpp:739]
UE4Editor_Kismet!FBlueprintEditor::Compile() [blueprinteditor.cpp:3016]
UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl_variadics.inl:282]
UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl() [delegateinstancesimpl_variadics.inl:388]
UE4Editor_Slate!FUICommandList::ExecuteAction() [uicommandlist.cpp:75]
UE4Editor_Slate!SToolBarButtonBlock::OnClicked() [stoolbarbuttonblock.cpp:296]
UE4Editor_Slate!TMemberFunctionCaller<SToolBarButtonBlock,FReply() [delegateinstanceinterface_variadics.h:161]
UE4Editor_Slate!TTupleImpl<TIntegerSequence<> >::ApplyAfter_ExplicitReturnType<FReply,TMemberFunctionCaller<SToolBarButtonBlock,FReply() [tuple.h:113]
UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl() [delegateinstancesimpl_variadics.inl:282]
UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [delegatesignatureimpl_variadics.inl:440]
UE4Editor_Slate!SButton::OnMouseButtonUp() [sbutton.cpp:225]
UE4Editor_Slate!<lambda_de96dc3471181973108233c6db1f9843>::operator() [slateapplication.cpp:4170]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_de96dc3471181973108233c6db1f9843> >() [slateapplication.cpp:212]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:4173]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:4133]
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1403]
UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:1708]
UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:706]
UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:628]
user32!<Unknown>
user32!<Unknown>
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:792]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2323]
UE4Editor!GuardedMain() [launch.cpp:142]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:126]
UE4Editor!WinMain() [launchwindows.cpp:200]

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Cannot Reproduce
ComponentAnim - Animation
Affects Versions4.8
CreatedAug 3, 2015
ResolvedSep 18, 2015
UpdatedApr 27, 2018