This is an early trending crash coming out of the 4.16 Preview. This has also been experienced internally on an internal project ([Link Removed])

User descriptions

  • Create new cloth asset > Apply new cloth asset
  • Cloth crashing.
Steps to Reproduce

repro steps currently unknown

Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Build\++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 633] Array index out of bounds: -1 from an array of size 1

UE4Editor_ClothingSystemRuntime!FClothingSimulationNv::UpdateLod() [clothingsimulationnv.cpp:801]
UE4Editor_ClothingSystemRuntime!FClothingSimulationNv::Simulate() [clothingsimulationnv.cpp:363]
UE4Editor_Engine!FParallelClothTask::DoTask() [skeletalmeshcomponentphysics.cpp:2659]
UE4Editor_Engine!TGraphTask<FParallelClothTask>::ExecuteTask() [taskgraphinterfaces.h:883]
UE4Editor_Core!FTaskThreadAnyThread::ProcessTasks() [taskgraph.cpp:1277]
UE4Editor_Core!FTaskThreadAnyThread::ProcessTasksUntilQuit() [taskgraph.cpp:1171]
UE4Editor_Core!FTaskThreadBase::Run() [taskgraph.cpp:643]
UE4Editor_Core!FRunnableThreadWin::Run() [windowsrunnablethread.cpp:76]

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ComponentUE - Simulation - Physics - Character
Affects Versions4.16
Target Fix4.16
Fix Commit3420508
Release Commit3420508
CreatedApr 26, 2017
ResolvedMay 3, 2017
UpdatedJun 5, 2017