Stopping Issue

So here is the problem:
When my warlock is grinding mobs it casts a immolate, then walks to the spot the target was first located before the pull. It walks up and freeze. just standing there. Ive tried to redo configs and so on, over and over again but nothing seems to work! When this is happening the program is running fine, no freeze or not responding error.

At the end of the log is were the bot freeze