This is a common crash affecting users in 4.16.
User Descriptions
Source Context
787 // NOTE: The following is an Unreal extension to standard shared_ptr behavior 788 FORCEINLINE TSharedRef< ObjectType, Mode > ToSharedRef() const 789 { 790 // If this assert goes off, it means a shared reference was created from a shared pointer that was nullptr. 791 // Shared references are never allowed to be null. Consider using TSharedPtr instead. 792 check( IsValid() ); 793 ***** return TSharedRef< ObjectType, Mode >( *this ); 794 }
repro steps currently unknown
Assertion failed: IsValid() [File:D:\Build\++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Core\Public\Templates/SharedPointer.h] [Line: 793] UE4Editor_Persona!TSharedPtr<IEditableSkeleton,0>::ToSharedRef() [sharedpointer.h:794] UE4Editor_Persona!FAnimationEditorPreviewScene::GetEditableSkeleton() [animationeditorpreviewscene.h:210] UE4Editor_Persona!FAnimationEditorPreviewScene::SetPreviewMesh() [animationeditorpreviewscene.cpp:97] UE4Editor_UnrealEd!UEditorEngine::BroadcastPostUndo() [editorserver.cpp:5203] UE4Editor_UnrealEd!UEditorEngine::HandleTransactorUndo() [editorserver.cpp:1220] 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:866] UE4Editor_UnrealEd!UEditorEngine::Exec_Transaction() [editorserver.cpp:5198] UE4Editor_UnrealEd!UEditorEngine::Exec() [editorserver.cpp:5645] UE4Editor_UnrealEd!UUnrealEdEngine::Exec() [unrealedsrv.cpp:670] UE4Editor_MainFrame!FMainFrameActionCallbacks::ExecuteExecCommand() [mainframeactions.cpp:969] UE4Editor_MainFrame!TBaseStaticDelegateInstance<void __cdecl() [delegateinstancesimpl.h:1027] UE4Editor_Slate!FUICommandList::ConditionalProcessCommandBindings() [uicommandlist.cpp:216] UE4Editor_Slate!FUICommandList::ProcessCommandBindings() [uicommandlist.cpp:160] UE4Editor_MainFrame!FMainFrameActionCallbacks::OnUnhandledKeyDownEvent() [mainframeactions.cpp:211] UE4Editor_MainFrame!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<FReply() [tuple.h:497] UE4Editor_MainFrame!TBaseStaticDelegateInstance<FReply __cdecl() [delegateinstancesimpl.h:958] UE4Editor_Slate!TBaseDelegate<FReply,FKeyEvent const & __ptr64>::Execute() [delegatesignatureimpl.inl:537] UE4Editor_Slate!FSlateApplication::ProcessKeyDownEvent() [slateapplication.cpp:4641] UE4Editor_Slate!FSlateApplication::OnKeyDown() [slateapplication.cpp:4541] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1539] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2127] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:867] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:714] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009] 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:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
I am not able to find world outliner how to enable it?
Undefined sysmbol: typeinfo for AActor when cross-compile linux dedicated server on windows
How can i modify the param name in EQS node
Delay nodes occasionally don't fire the "Completed" output in a nativized build
How to achieve HLSL Multiple Render Target in Material blueprints?
What method is used to fill polygonal regions when drawing spline mesh at run time?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-47227 in the post.
| 0 |
| Component | OLD - Anim |
|---|---|
| Affects Versions | 4.16 |
| Target Fix | 4.18 |
| Created | Jul 13, 2017 |
|---|---|
| Resolved | Aug 30, 2017 |
| Updated | May 18, 2020 |