Hi, I dont know if anyone else has this problem, but as soon as I try to move either one of the drones (I mean the attaker, defender, decoy and repair) the game crashes. The guardian drones and the "ancient thing" work just fine, so I tryed to look into their code, to see if I can spot any difference... Aaand I managed to make the guardian do the same thing. Wierdly enough the only thing i did to the thrusters is remove the 2 lines containing the particles effects, from all the thrusters... Also, the error happens in both direct control mode and move command.
(I could send you a screenshot of the error if it helps you...)