The log file does not list the modified mod, neither as installed not with an error message. This new folder is just ignored.
This does not make sense to me, even if I unzip and zip that thing without any other changes than a single digit in a lua file, it does not appear in the list anymore.

Hm... I keep having the same problem as before. So I copied that mod to another folder, uninstalled (deleted) it in Factorio, the mod folder then did not contain that mod after that. Closed the game. I unzipped the copied mod to the factorio mod folder und edited it (file prototypes/shared.lua ). Ed...

Hello there To gather some knowlede and experience, I played aroud with some of the games .lua files and tried the same with a mod. With the game that works fine, though it might not be wise, as it might compromise later updates. Anyway, I made a backup.. So, I tried to edit a numer inside a mod. Di...