Hi, you can help me with compile a custom map ?. I am new at this. i have a problem when i compile a map and i want to play , I get an error "Unknow anim tree: "Zombie Factory"." could you help me ?

hello, I have a problem at the time of wanting to play my custom map, what happens is that when I open my map, I get an error that says so "Unknow anim tree: "Zombie Factory"."
search all files dela folder on my map, but found nothing of "Zombie factory".
Sorry for my english, i use a translate