Same exact behavior with me as well, Tanthalassa. Very same behavior. Without torp arm the prawn docks fine. With the torp arm it goes crazy on dock. I actually was able to undock the prawn during one of these crazy episodes too. What happened was a…
I had this happen to me yesterday. A search of Steam forums showed a thread on this bug. It appears to be related to the Precusor bay that can be reached underwater as well as from the mountain isle. I parked my Seamoth there and after leaving any e…