However, changing the default values in the config.json does work.

I'm using a total of 11 mods on a custom map I made myself (based on the Island Hopping map published here) and a few days ago the game started to sometimes crash when I was deleting belts, pipes or rail tracks. Since then this has worsened to where I'm barely able to play for a few minutes between crashes.

I tried to isolate the problem, but loading a different save (on a different map) and lo…