Steps to Reproduce

REPRO STEPS:

  1. Load QAGame in the editor
  2. Click Import from the Content Browser
  3. Navigate to \Engine\Content\NotForLicensees\QA\Import_Test_Assets\AlembicAssets and select SceneTest.abc, then click Open
  4. Ensure the Import Type is set to Static Mesh
  5. Click Import
  6. Click Import from the Content Browser again
  7. Navigate to \Engine\Content\NotForLicensees\QA\Import_Test_Assets\AlembicAssets and select SceneTest.abc, then click Open
  8. Click Yes
  9. Set the Import Type to Geometry Cache
  10. Click Import

RESULT:
Editor crashes.

Callstack
Access violation - code c0000005 (first/second chance not available)
UE4Editor_CoreUObject!UObject::PostEditChange() obj.cpp:284 
UE4Editor_UnrealEd!UFactory::ImportObject() factory.cpp:154 
UE4Editor_AssetTools!FAssetTools::ImportAssets() assettools.cpp:971 
UE4Editor_AssetTools!FAssetTools::ImportAssets() assettools.cpp:571 
UE4Editor_ContentBrowser!SContentBrowser::ImportAsset() scontentbrowser.cpp:781 
UE4Editor_ContentBrowser!SContentBrowser::HandleImportClicked() scontentbrowser.cpp:772 
UE4Editor_ContentBrowser!TMemberFunctionCaller<SContentBrowser,FReply() delegateinstanceinterface.h:161 
UE4Editor_ContentBrowser!TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SContentBrowser,FReply() tuple.h:115 
UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,FReply __cdecl() delegateinstancesimpl.h:317 
UE4Editor_Slate!TBaseDelegate<FReply>::Execute() delegatesignatureimpl.inl:521 
UE4Editor_Slate!SButton::OnMouseButtonUp() sbutton.cpp:278 
UE4Editor_Slate!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator() slateapplication.cpp:4901 
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1> >() slateapplication.cpp:215 
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() slateapplication.cpp:4890 
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() slateapplication.cpp:5348 
UE4Editor_Slate!FSlateApplication::OnMouseUp() slateapplication.cpp:5328 
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() windowsapplication.cpp:1584 
UE4Editor_Core!FWindowsApplication::DeferMessage() windowsapplication.cpp:1930 
UE4Editor_Core!FWindowsApplication::ProcessMessage() windowsapplication.cpp:747 
UE4Editor_Core!FWindowsApplication::AppWndProc() windowsapplication.cpp:669 
user32!<Unknown> 
user32!<Unknown> 
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() windowsplatformmisc.cpp:905 
UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:2788 
UE4Editor!GuardedMain() launch.cpp:156 
UE4Editor!GuardedMainWrapper() launchwindows.cpp:126 
UE4Editor!WinMain() launchwindows.cpp:202 
UE4Editor!__scrt_common_main_seh() exe_common.inl:264 
kernel32!<Unknown> 
ntdll!<Unknown>

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Fixed
ComponentGameplay
Affects Versions4.13
Target Fix4.13
Fix Commit3080818
Main Commit3092051
Release Commit3080818
CreatedAug 5, 2016
ResolvedAug 8, 2016
UpdatedApr 27, 2018