Thank you. Me and my friend have many back up files from older versions.

We will test around with some previous save states. Maybe we can restore our game from it.

Certain save files cause my game to crash. It's crashing when I open those save files where I enter in this area (I marked with a red circle on the mini map on the screenshot), I guess it has to do with the Factory MK3 I build last time before I close the game.
When I start the game from a Auto Save ...