I have tried both. Seems to happen less when taking it off first but still happens. ALso towing the vehicle while it's on the truck shouldn't be possible to avoid further confusion
Sometimes when trying to attach NPC vehicles to the flatbed as a mechanic it tries to detach the vehicle instead. Which there is none to take off. Thereby locking NPC jobs until you relog. I have not been able to find a consistent pattern as to why and when this happens. Has happened 2 times in...