Follow AI Wont Move

Hey! I am trying to create a zombie survival game and I am trying to create the AI to just follow the character. I followed the official unreal tutorial here:

My AI doesnt seem to move and I can’t find out what is wrong! My project is here:

I have the same problem at the moment with my spiders, in my level, and it looks likely I have to go through the whole entire spider tutorial again to find out what happened to the code to stop the spiders from
patrolling the area. I do have a Nav Volume Mesh laid down for them, but their AI logic has stopped