This can be closed. I forgot to -R the chmod and it was not making the directories inside /opt/factorio wrx.

Changed that in the service, still crashed

Hello,

This is the complete current.log, attached is the save file. I've run chmod 755 /opt/factorio, i don't think i should need more, but maybe I'm wrong.

0.000 2017-12-01 21:53:40; Factorio 0.15.37 (build 30927, linux64, headless)
0.088 Operating system: Linux (LinuxMint 18.2)
0.088 Program ...

Hosting a headless server on Linux ver. 15.37 Whenever the game tries to autosave or I try to issue a manual save in cmd-line the server crashes. I'm running the server as a service and I've given the user appropriate privileges to read/write/modify content in the /opt/factorio directory.

I can ...