Animation sharing

So i created animation sharing from tutorial by epic( Animation Sharing Plugin in Unreal Engine | Unreal Engine 5.7 Documentation | Epic Developer Community )

But the problem is that when i spawn actors(100) than start to destroy them, the engine just crashes. And the main problem is that reference from destroyed actor is still flowing trough even tho memory is cleared.

So the question is how to remove actor(unregister) from animation sharing manager?