NPCs animation stucks after death

What this problem is related to? (e.g. Broken model or texture / Incorrectly placed model / Particle Effect / Animation / Collision problem / etc. ): Animation

Location/Coordinates (/pos, if relevant):

Describe the problem: If NPC during the fight was forced to move to any obstacle(wall, rock, tree) and if than was forced to fight there, after NPC is dead its animation stucks.

List the steps that occurred before the problem appeared (if relevant):

Can you reproduce the problem? (if relevant): Yes.

Screenshots/Videos (if available):