Create a third person template project.
Drag navigation into the scene and overwrite the map
Copy a third person character blueprint as AI, and loop the AI to follow the player character during the Beginplay event
Place 20 AI in the scene,
Click to play
Running around in the scene can trigger it.
crash info:
OutPose.IsNormalized() [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\Animation\AnimSequence.cpp] [Line: 1556]