It's because it couldn't create the ship (firepoint).
Put the following file in scripts/Custom/Autoload, it will prevent the problem.
What it did, is create a variable (remotely) in scripts/Multiplayer/SpeciesToShip.pyc
If you are going to be playing MP, then something else will have to be done, but considering you are extracting it from a MP mod, I suspect you aren't going to do that.