Problems with animations

[ZaKaeDa]

Hi guys, I've been testing the master and I've noticed that the mob to attack with some animations move wrong. Does anyone know that this is due ?. I had read that it is a communication problem between client and server, but it did not give any solution to this. sorry for my English.

Here is a sample:

https://www.youtube.com/watch?v=dJCxyX5_oHU

[FinalDestination]

its something about knownlist because when monster is near packet send ok