If that is RAM even after doing 2 hour diagnostics that said no errors it must be RAM anyway i guess, I'll get new one to be sure then. And thank you for the fix so much! WIsh there was some way for me to do it myself so i don't bother You.

"Corrupt map: unknown quality prototype ID 255. File has likely been corrupted due to failing hardware."

I have ran diagnostics and there were no errors on RAM


I think that this is a similar situation to other posts I've seen, where a single byte was corrupt, and the world might be recoverable ...

Hello everyone, im enjoying factorio for about 3 years, testing lots of mods and having fun with alot of them but i would love to see tesla coil burning bugs leaving little flame after killing each as main powerful base protector. There could be tesla coil mk1 and mk2 (that would work like tesla ...