According to SFGate, "A small production crew on “Guardians of the Galaxy Vol 3” has been dismissed while Disney regroups as it continues to look for a new director..." Disney previously fired the film's original director James Gunn, because he posted illicit tweets about rape and pedophelia. The crew that left the production were left over from the crew Gunn had assembled when he directed the film. Disney has until fall to crew up. That's when pre-production begins!