Hahaha, uh oh, looks like you've got just about every Engineer in the floor there. Yeah, the "Unaware" AI, aptly named by the derelicts, can in some edge cases do stupid things. Here the one in the corner is trying to leave, while all the others blocking its path are trying to repair the corner...
If you leave the room and go somewhere else, they should be able to eventually untangle themselves, but while watched they won't!