Help me, please. UE 5.1 crashes on opening an Animation blueprint. Array index out of bounds: 108 from an array of size 94

Development Character & Animation
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1

When I open animation blueprint in UE 5.0.3 - it works fine. But ue 5.1 crashes.
Log:
ModernRPGBUNDLE.log (116.4 KB)
Crash log:
CrashContext.runtime-xml (171.2 KB)
CrashReportClient.ini (112 Bytes)
ModernRPGBUNDLE.log (225.2 KB)
UEMinidump.dmp (931.0 KB)
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 763] Array index out of bounds: 108 from an array of size 94

2

Solution:

Video

3

Hi, I have the same problem. What is the solution? The video you post lastly shows the reason I think. How Can I solve and open the Anim Bp without any crashes?