Description

This crash has been logged due to high frequency among our users.

I have tested in 4.15.2 based on the user comments below, but have been unable to reproduce this issue. In my attempts the Blendspace handles animations being force deleted.

User comments

  • Delete animation used in a blendspace then open bs and click a node on graph
  • deleted animations didn't leave in the blend, it freaked out.
Steps to Reproduce

repro steps currently unknown

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

UE4Editor_Engine!UBlendSpaceBase::UpdatePreviewBasePose() [blendspacebase.cpp:1220]
UE4Editor_Engine!UBlendSpaceBase::DeleteSample() [blendspacebase.cpp:827]
UE4Editor_Persona!SBlendSpaceEditorBase::OnSampleRemoved() [sanimationblendspacebase.cpp:105]
UE4Editor_Persona!TBaseSPMethodDelegateInstance<0,SBlendSpaceEditorBase,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327]
UE4Editor_Persona!TBaseSPMethodDelegateInstance<0,SBlendSpaceEditorBase,0,void __cdecl() [delegateinstancesimpl.h:434]
UE4Editor_Persona!SBlendSpaceGridWidget::OnKeyUp() [sanimationblendspacegridwidget.cpp:679]
UE4Editor_Slate!<lambda_6edabb7999d104566d200ed4979fb141>::operator() [slateapplication.cpp:4738]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_6edabb7999d104566d200ed4979fb141> >() [slateapplication.cpp:238]
UE4Editor_Slate!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_6edabb7999d104566d200ed4979fb141>,FKeyEvent>() [slateapplication.cpp:220]
UE4Editor_Slate!FSlateApplication::ProcessKeyUpEvent() [slateapplication.cpp:4736]
UE4Editor_Slate!FSlateApplication::OnKeyUp() [slateapplication.cpp:4705]
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1613]
UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2120]
UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:867]
UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:714]
user32!UserCallWinProcCheckWow()
user32!DispatchMessageWorker()
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:980]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2977]
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!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()

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Fixed
ComponentAnim - Animation
Affects Versions4.15.14.15.2
Target Fix4.16
Fix Commit3436621
Release Commit3436621
CreatedMay 11, 2017
ResolvedMay 12, 2017
UpdatedJun 5, 2017