This is a common crash in the 4.16 release. Users have not provided any descriptions, so additional information is currently unavailable.
Source Context
804 else if (USkeletalMeshComponent* SkeletalMeshComponent = Cast<USkeletalMeshComponent>(MeshComponent)) 805 { 806 TUniquePtr< FSkeletalMeshComponentRecreateRenderStateContext > RecreateRenderStateContext; 807 USkeletalMesh* Mesh = SkeletalMeshComponent->SkeletalMesh; 808 809 // Dirty the mesh 810 ***** Mesh->SetFlags(RF_Transactional); 811 Mesh->Modify(); 812 Mesh->bHasVertexColors = true;
repro steps currently unknown. Based on source context this seems related to vertex painting SkelMeshes
UE4Editor_MeshPaint!MeshPaintHelpers::FillVertexColors() [meshpainthelpers.cpp:811] UE4Editor_MeshPaintMode!FPaintModePainter::ApplyVertexColorAction() [paintmodepainter.cpp:532] UE4Editor_MeshPaintMode!<lambda_4b09263892b633489c5e248eb61ebf55>::operator() [spaintmodewidget.cpp:150] UE4Editor_MeshPaintMode!Invoke<<lambda_4b09263892b633489c5e248eb61ebf55> & __ptr64,int>() [invoke.h:45] UE4Editor_MeshPaintMode!UE4Function_Private::TFunctionRefCaller<<lambda_4b09263892b633489c5e248eb61ebf55>,FReply __cdecl() [function.h:235] UE4Editor_MeshPaintMode!UE4Function_Private::TFunctionRefBase<TFunction<FReply __cdecl() [function.h:283] UE4Editor_MeshPaintMode!<lambda_562d711ae821d86c56667d3d380749c7>::operator() [spaintmodewidget.cpp:190] UE4Editor_MeshPaintMode!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<<lambda_562d711ae821d86c56667d3d380749c7> const & __ptr64>() [tuple.h:497] UE4Editor_MeshPaintMode!TBaseFunctorDelegateInstance<FReply __cdecl() [delegateinstancesimpl.h:1132] UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [delegatesignatureimpl.inl:537] UE4Editor_Slate!SButton::OnMouseButtonUp() [sbutton.cpp:278] UE4Editor_Slate!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator() [slateapplication.cpp:5049] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1> >() [slateapplication.cpp:239] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5038] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5515] UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5495] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1704] 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()
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-46562 in the post.
| 0 |
| Component | OLD - Anim |
|---|---|
| Affects Versions | 4.16 |
| Target Fix | 4.17 |
| Created | Jun 27, 2017 |
|---|---|
| Resolved | Jul 5, 2017 |
| Updated | Apr 27, 2018 |