Hi Dimm2101,

Short:
I tried to enable the setting for immortal rails or unattackable rails in the settings.lua.

        setting_type = "startup",
        default_value = false,

for "rampantFixed--safeBuildings", "rampantFixed--safeBuildings-curvedRail", "rampantFixed--safeBuildings-straightRail".

restart -> load game / create new game -> crash
Error message:
Error while running event RamapntFixed:on_configuration_changed
RampantFixed/control.lua:289:attempt to index field
'rampantFixed--safeBuildings' (a nil value)

How do i properly enable this option?

Random thanks:
Thank you for this mod. I am on my ~10th run currently getting my ass kicked from vedens biters. Your balance changes make a lot of sence to me and it makes defending your base quite interesting and challenging.

Maybe you find some time to help a guy with low google skills out.
Best regards

it's always nice when the players like what I've done )

I understand that the setting was changed not through factotio, but through changing the lua file?
I would recommend just changing the setting in the game itself (when the map is loaded): settings -> mod settings -> map -> rampant, fixed ...
As far as I have checked, when changing the settings from inside the game, it does not cause any errors. Restarting is also not necessary

the rails that have already been built will remain vulnerable, but after they are "eaten" they will be replaced by invulnerable ones

Worked out great, thank you! I did not know you could change some Settings in game via menue.