Description

For skeletal meshes with multiple cloth assets in use, modifying any of the bone's collision body setup in the physics asset causes a crash. 

Steps to Reproduce
  1.  Open Content Examples
  2. Open the Owen_Physics asset
  3. Select a bone and Modify the collision body setup (center, rotation, anything)

Expected: Body is adjusted acordingly

Result: Crashes

Callstack

Access violation - code c0000005 (first/second chance not available)

NvClothPROFILE_x64!nv::cloth::SwSolverKernel<__m128>::solveFabric() [d:\build\++ue4+release-4.20+physx_compile\sync\engine\source\thirdparty\physx3\nvcloth\src\swsolverkernel.cpp:624]
NvClothPROFILE_x64!nv::cloth::SwSolver::SimulatedCloth::Simulate() [d:\build\++ue4+release-4.20+physx_compile\sync\engine\source\thirdparty\physx3\nvcloth\src\swsolver.cpp:292]
NvClothPROFILE_x64!nv::cloth::SwSolver::simulateChunk() [d:\build\++ue4+release-4.20+physx_compile\sync\engine\source\thirdparty\physx3\nvcloth\src\swsolver.cpp:161]
UE4Editor_ClothingSystemRuntime
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
kernel32
ntdll

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Fixed
ComponentUE - Simulation - Physics - Character
Affects Versions4.20.2
Target Fix4.21
Fix Commit4339605
Main Commit4653110
CreatedAug 30, 2018
ResolvedOct 3, 2018
UpdatedDec 12, 2018
View Jira Issue