Crash deleting skeleton when it's being used in current level

Crash occurs when the user deletes a skeleton while it is being used in the current level.

If the skeleton is not in the loaded level, the crash will not occur.

1. Launch UE4Editor.exe.
2. Create a new third person blueprint project and open it in editor.
3. In the Content Browser, find the skeleton UE4_Mannequin_Skeleton.
4. Delete it.

RESULT:

Crash.

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000150

UE4Editor-Engine.dll!USkeleton::GetSmartNameContainer() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\animation\skeleton.cpp:1303]
UE4Editor-Engine.dll!UAnimInstance::UpdateCurves() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\animation\animinstance.cpp:1186]
UE4Editor-Engine.dll!USkeletalMeshComponent::PostAnimEvaluation() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:1445]
UE4Editor-Engine.dll!USkeletalMeshComponent::RefreshBoneTransforms() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:1372]
UE4Editor-Engine.dll!USkeletalMeshComponent::InitAnim() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:422]
UE4Editor-Engine.dll!USkeletalMeshComponent::OnRegister() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:338]
UE4Editor-Engine.dll!UActorComponent::ExecuteRegisterEvents() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:1145]
UE4Editor-Engine.dll!FComponentReregisterContextBase::ReRegister() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\public\componentreregistercontext.h:66]
UE4Editor-Engine.dll!TIndirectArray<FComponentReregisterContext,FDefaultAllocator>::Empty() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\containers\array.h:3377]
UE4Editor-Engine.dll!FGlobalComponentReregisterContext::~FGlobalComponentReregisterContext() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:83]
UE4Editor-UnrealEd.dll!ObjectTools::ForceDeleteObjects() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\objecttools.cpp:2168]
UE4Editor-UnrealEd.dll!FAssetDeleteModel::DoForceDelete() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\assetdeletemodel.cpp:284]
UE4Editor-UnrealEd.dll!SDeleteAssetsDialog::ForceDelete() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\dialogs\sdeleteassetsdialog.cpp:705]
UE4Editor-UnrealEd.dll!TMemberFunctionCaller<SDeleteAssetsDialog,FReply (__cdecl SDeleteAssetsDialog::*)(void) __ptr64>::operator()<>() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\delegates\delegateinstanceinterface.h:161]
UE4Editor-UnrealEd.dll!TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SDeleteAssetsDialog,FReply (__cdecl SDeleteAssetsDialog::*)(void) __ptr64> >() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\delegates\tuple.h:115]
UE4Editor-UnrealEd.dll!TBaseSPMethodDelegateInstance<0,SDeleteAssetsDialog,0,FReply __cdecl(void)>::Execute() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:317]
UE4Editor-Slate.dll!TBaseDelegate<FReply>::Execute() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:521]
UE4Editor-Slate.dll!SButton::OnMouseButtonUp() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:278]
UE4Editor-Slate.dll!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator()() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4901]
UE4Editor-Slate.dll!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1> >() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:215]
UE4Editor-Slate.dll!FSlateApplication::RoutePointerUpEvent() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4890]
UE4Editor-Slate.dll!FSlateApplication::ProcessMouseButtonUpEvent() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5348]
UE4Editor-Slate.dll!FSlateApplication::OnMouseUp() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5328]
UE4Editor-Core.dll!FWindowsApplication::ProcessDeferredMessage() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1584]
UE4Editor-Core.dll!FWindowsApplication::DeferMessage() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1930]
UE4Editor-Core.dll!FWindowsApplication::ProcessMessage() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:747]
UE4Editor-Core.dll!FWindowsApplication::AppWndProc() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:669]
USER32.dll
USER32.dll
UE4Editor-Core.dll!FWindowsApplication::PumpMessages() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1942]
UE4Editor-Slate.dll!FSlateApplication::TickPlatform() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1491]
UE4Editor-Slate.dll!FSlateApplication::AddModalWindow() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1988]
UE4Editor-UnrealEd.dll!UEditorEngine::EditorAddModalWindow() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:3592]
UE4Editor-UnrealEd.dll!ObjectTools::DeleteObjects() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\objecttools.cpp:1698]
UE4Editor-UnrealEd.dll!ObjectTools::DeleteAssets() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\objecttools.cpp:1605]
UE4Editor-ContentBrowser.dll!FAssetContextMenu::ExecuteDelete() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\contentbrowser\private\assetcontextmenu.cpp:1784]
UE4Editor-ContentBrowser.dll!SContentBrowser::HandleDeleteCommandExecute() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\contentbrowser\private\scontentbrowser.cpp:1972]
UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,TTypeWrapper<void> __cdecl(void)>::Execute() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:317]
UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,void __cdecl(void)>::ExecuteIfSafe() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:423]
UE4Editor-Slate.dll!FUICommandList::ConditionalProcessCommandBindings() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:211]
UE4Editor-Slate.dll!FUICommandList::ProcessCommandBindings() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:155]
UE4Editor-ContentBrowser.dll!SContentBrowser::OnKeyDown() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\contentbrowser\private\scontentbrowser.cpp:971]
UE4Editor-Slate.dll!<lambda_2afcd964c763e269e2d1a63f3a72f846>::operator()() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4517]
UE4Editor-Slate.dll!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_2afcd964c763e269e2d1a63f3a72f846> >() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:215]
UE4Editor-Slate.dll!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_2afcd964c763e269e2d1a63f3a72f846>,FKeyEvent>() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:197]
UE4Editor-Slate.dll!FSlateApplication::ProcessKeyDownEvent() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4515]
UE4Editor-Slate.dll!FSlateApplication::OnKeyDown() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4430]
UE4Editor-Core.dll!FWindowsApplication::ProcessDeferredMessage() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1419]
UE4Editor-Core.dll!FWindowsApplication::DeferMessage() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1930]
UE4Editor-Core.dll!FWindowsApplication::ProcessMessage() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:747]
UE4Editor-Core.dll!FWindowsApplication::AppWndProc() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:669]
USER32.dll
USER32.dll
UE4Editor-Core.dll!FWindowsPlatformMisc::PumpMessages() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:905]
UE4Editor.exe!FEngineLoop::Tick() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2788]
UE4Editor.exe!GuardedMain() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\launch.cpp:156]
UE4Editor.exe!GuardedMainWrapper() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor.exe!WinMain() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor.exe!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32.dll
ntdll.dll
ntdll.dll