I did work with a lot of copy, past and symmetries. The point is I did not miss these parts, they were definitevly not there when I left the game. I had run into problems with pasting big parts a lot, I dont know if you had these to. When I would try to past a big part, the game would put several copys all over the station were I moved my mouse, which I then had to undo. I assumed these were problems with my mouse.
I allready deleted a complete station because of this, I did not make a picture then but what you see in the first post is harmless^^