I am very sure the hardware is 100% fine. This server is running for months and months overall with no issues. I will run a Memtest soon when I can though.

BUT. I solved the issue with the server crashing by just fully copying the Game data folder from my Desktop to the server. There have been ...

I have a save with a friend that has 84 play hours on it so far. We started it via local hosting from our PCs but I decided to set up a Headless Server on my Custom build OpenMediavault Media-Server.
After some trouble with the ballistic missiles mod that caused the game to crash if you shoot a ...