Crash on retarget a addtive animation

[2019.11.18-10.18.16:727][768]LogWindows: Error: === Critical error: ===
[2019.11.18-10.18.16:727][768]LogWindows: Error:
[2019.11.18-10.18.16:727][768]LogWindows: Error: Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:d:\ue4.23\trunk\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 614]
[2019.11.18-10.18.16:727][768]LogWindows: Error: Array index out of bounds: 92 from an array of size 92
[2019.11.18-10.18.16:727][768]LogWindows: Error:
[2019.11.18-10.18.16:727][768]LogWindows: Error:
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc771da839 KERNELBASE.dll!UnknownFunction []
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0b7aa347 UE4Editor-Core.dll!ReportAssert() [d:\ue4.23\trunk\engine\source\runtime\core\private\windows\windowsplatformcrashcontext.cpp:582]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0b7acba4 UE4Editor-Core.dll!FWindowsErrorOutputDevice::Serialize() [d:\ue4.23\trunk\engine\source\runtime\core\private\windows\windowserroroutputdevice.cpp:79]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0b5a1ada UE4Editor-Core.dll!FOutputDevice::LogfImpl() [d:\ue4.23\trunk\engine\source\runtime\core\private\misc\outputdevice.cpp:71]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0b4f67a3 UE4Editor-Core.dll!AssertFailedImplV() [d:\ue4.23\trunk\engine\source\runtime\core\private\misc\assertionmacros.cpp:101]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0b4f6eb0 UE4Editor-Core.dll!FDebug::CheckVerifyFailedImpl() [d:\ue4.23\trunk\engine\source\runtime\core\private\misc\assertionmacros.cpp:445]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0d5a81e8 UE4Editor-Engine.dll!DispatchCheckVerify >() [d:\ue4.23\trunk\engine\source\runtime\core\public\misc\assertionmacros.h:165]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bff5871 UE4Editor-Engine.dll!BuildPoseFromRawDataInternal<0>() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\bonepose.cpp:110]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0c00dcd4 UE4Editor-Engine.dll!BuildPoseFromRawData() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\bonepose.cpp:221]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bfb1cce UE4Editor-Engine.dll!UAnimSequence::GetBonePose() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:1594]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bfb004b UE4Editor-Engine.dll!UAnimSequence::GetAdditiveBasePose() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:1739]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bfb223e UE4Editor-Engine.dll!UAnimSequence::GetBonePose_AdditiveMeshRotationOnly() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:1771]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bfb0aad UE4Editor-Engine.dll!UAnimSequence::GetAnimationPose() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:1462]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bf94384 UE4Editor-Engine.dll!UAnimSequence::BakeOutAdditiveIntoRawData() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:2508]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bf311a7 UE4Editor-Engine.dll!FCompressibleAnimData::FCompressibleAnimData() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animcompressiontypes.cpp:149]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bfd8fb7 UE4Editor-Engine.dll!UAnimSequence::RequestAnimCompression() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:2216]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bfcc06c UE4Editor-Engine.dll!UAnimSequence::PostProcessSequence() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:3442]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bfa1289 UE4Editor-Engine.dll!UAnimSequence::ConvertRiggingDataToAnimationData() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:4151]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0bfd47be UE4Editor-Engine.dll!UAnimSequence::RemapTracksToNewSkeleton() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animation\animsequence.cpp:3125]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc0c042ddd UE4Editor-Engine.dll!UAnimationAsset::ReplaceSkeleton() [d:\ue4.23\trunk\engine\source\runtime\engine\private\animationasset.cpp:323]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc09705f9e UE4Editor-UnrealEd.dll!EditorAnimUtils::FAnimationRetargetContext::RetargetAnimations() [d:\ue4.23\trunk\engine\source\editor\unrealed\private\editoranimutils.cpp:269]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc09704d28 UE4Editor-UnrealEd.dll!EditorAnimUtils::RetargetAnimations() [d:\ue4.23\trunk\engine\source\editor\unrealed\private\editoranimutils.cpp:343]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc09705ccc UE4Editor-UnrealEd.dll!EditorAnimUtils::RetargetAnimations() [d:\ue4.23\trunk\engine\source\editor\unrealed\private\editoranimutils.cpp:319]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffbf9002ada UE4Editor-AssetTools.dll!FAssetTypeActions_AnimationAsset::RetargetAnimationHandler() [d:\ue4.23\trunk\engine\source\developer\assettools\private\assettypeactions\assettypeactions_animationasset.cpp:247]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffbf8f7a180 UE4Editor-AssetTools.dll!TBaseSPMethodDelegateInstance<0,FAssetTypeActions_AnimationAsset,0,TTypeWrapper __cdecl(USkeleton *,USkeleton *,bool,bool,bool,EditorAnimUtils::FNameDuplicationRule const *),TArray,TSizedDefaultAllocator<32> > >::Execute() [d:\ue4.23\trunk\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:293]
[2019.11.18-10.18.16:727][768]LogWindows: Error: [Callstack] 0x00007ffc09dff25c UE4Editor-UnrealEd.dll!SAnimationRemapSkeleton::OnApply() [d:\ue4.23\trunk\engine\source\editor\unrealed\private\sskeletonwidget.cpp:952]

From there being opening up each of the questions listed. If it’s an engine bug (and not just something like “Engine Crashes” or some other thread that’s lacking any indication of what the issue is) post the response below and assign the issue to Answerhub_Bugs:

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks