I seem to be getting the same problem with version 1.1.2 and 1.1.3 where it says the AI can't complete the requested actions. I've managed to replicate the bug with the included Slime Outbreak world and both of my custom worlds.
2 days ago (+1)
This is all that seems to come up. I haven't set the memory higher than 3k. The thing is, it worked perfectly this morning.