Crash occurs when the user closes the editor while there are blueprint thumbnails visible in the Content Browser. This seems to only occur if the editor was opened with blueprint thumbnails also visible.
I can only reproduce this crash in //UE4/Release-4.13. I wasn't able to reproduce it in //UE4/Main at CL 3065268/
RESULT:
Crash.
UE4Editor_Engine!FPreviewScene::~FPreviewScene() previewscene.cpp:69 UE4Editor_UnrealEd!FBlueprintThumbnailScene::`vector deleting destructor'() UE4Editor_UnrealEd!TSparseArray<TSetElement<TPair<FName,TSharedPtr<FBlueprintThumbnailScene,0> > >,TSparseArrayAllocator<FDefaultAllocator,FDefaultBitArrayAllocator> >::Empty() sparsearray.h:224 UE4Editor_UnrealEd!UBlueprintThumbnailRenderer::~UBlueprintThumbnailRenderer() UE4Editor_UnrealEd!UBlueprintThumbnailRenderer::`scalar deleting destructor'() UE4Editor_CoreUObject!IncrementalPurgeGarbage() garbagecollection.cpp:1016 UE4Editor_CoreUObject!StaticExit() obj.cpp:3829 UE4Editor_CoreUObject!TBaseStaticDelegateInstance<void __cdecl() delegateinstancesimpl.h:1017 UE4Editor!TBaseMulticastDelegate<void>::Broadcast() delegatesignatureimpl.inl:921 UE4Editor!FEngineLoop::AppPreExit() launchengineloop.cpp:3403 UE4Editor!FEngineLoop::Exit() launchengineloop.cpp:2470 UE4Editor!GuardedMain() launch.cpp:167 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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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-33874 in the post.
| 0 |
| Component | UE - Editor - Content Pipeline - Content Browser |
|---|---|
| Affects Versions | 4.13 |
| Target Fix | 4.13 |
| Created | Jul 28, 2016 |
|---|---|
| Resolved | Aug 1, 2016 |
| Updated | Apr 27, 2018 |