Description

When assigning an imported apx file to the clothing drop down under the material element of this imported Skeletal Mesh will result in a crash.

Tested in:

4.11.2 CL-2946394
4.12.3 CL-3013449
Dev-Main CL-3016365

Steps to Reproduce

1. Open UE4
2. Import attached FBX skeletal mesh
3. Open the Skeletal Mesh
4. Click "Add APEX Clothing File..." and navigate to users Cloak001.apx file
5. Under the Material Element Clothing assign the imported .apx file

Freq: 3/3

Results: The assigned apx file will cause a crash

Expected: shouldn't crash.

Callstack

UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:440]
UE4Editor_Engine!FSharedPoolPolicyData::GetPoolBucketIndex() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\gpuskinvertexfactory.cpp:74]
UE4Editor_Engine!FGPUBaseSkinAPEXClothVertexFactory::ClothShaderType::UpdateClothSimulData() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\gpuskinvertexfactory.cpp:876]
UE4Editor_Engine!FSkeletalMeshObjectGPUSkin::ProcessUpdatedDynamicData() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\skeletalrendergpuskin.cpp:454]
UE4Editor_Engine!FSkeletalMeshObjectGPUSkin::UpdateDynamicData_RenderThread() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\skeletalrendergpuskin.cpp:300]
UE4Editor_Engine!`FSkeletalMeshObjectGPUSkin::Update'::`2'::EURCMacro_SkelMeshObjectUpdateDataCommand::DoTask() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\skeletalrendergpuskin.cpp:224]
UE4Editor_Engine!TGraphTask<`FSkeletalMeshObjectGPUSkin::Update'::`2'::EURCMacro_SkelMeshObjectUpdateDataCommand>::ExecuteTask() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\async\taskgraphinterfaces.h:999]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:932]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:679]
UE4Editor_RenderCore!RenderingThreadMain() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:319]
UE4Editor_RenderCore!FRenderingThread::Run() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:440]
UE4Editor_Core!FRunnableThreadWin::Run() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:74]

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Duplicate
ComponentPhysics - Clothing
Affects Versions4.114.124.13
CreatedJun 17, 2016
ResolvedJun 18, 2016
UpdatedApr 27, 2018