I'm Currently playing ATM6 And a large quite a few of my colonists have flagged the error
It started with my one of my builders and then spread to courier and then others

Minecolonies Version 0.13.566-Alpha
latest.log

I checked the log and it seems some inventories went corrupt in your world. Can you check racks and hut chests around the world and see if their inventories still work?

Just loaded up the world again and i havent got the ai error and the chest are fine althou racks arent joining correctly

Yeah, the racks is fine. I think there was a quick problem with corruption in your world that solved itself. You can reopen this if you find a way to reproduce this.