This is a 904...
I Bet what it is that the Spring/Arm for the Park Lever has slipped out or wasn't put back in..
Thus not allowing the arm to go all the way into the tail housing.If it IS intact you should pull the valve body linkage(Park Rod)all the way toward the rear.Then set the body down.Then stick your finger in the opening where the park rod goes and make sure it is in a Neutral position on the park clog.To do this you may have to turn the drive shaft a little to let the rod SLIP into the LOCK position..
SSH