When I enable ForceFields I get the following error on game startup. I'm assuming it has something to do with Combat Mechanics Overhaul since they both change wall behavior but I guess it could be any of other mods in question as well. If I disable Force Fields, I can start the game without issues.

https://i.imgur.com/zvB7y51.png

Typed text in case imgur link goes down: Failed to load mods: Error while running setup for entity prototype "forcefield-wall-blue" (wall): next_upgrade can't be set when flag "not-upgradable' is set.

Seconding this, just ran into this incompatibility today. I'm not sure which mod would need to change to make them compatible, but I'll have to disable Force Fields for now.

Thirded. Tried disabling all mods that have anything to do with walls and still get this error. Damn shame as id love to use this mod

Fourthed, I'm starting a new Space Exploration modded game and getting this error that mentions "Rampant Arsenal", which is strange because my previous game had Rampant Arsenal and Force Fields played nicely (only lacking Space Exploration that time.) Something about Space Exploration may be involved?
https://i.imgur.com/uCXdwDl.png

I really want these Force Fields back, the SE Shield Generators don't stop projectiles if you don't enable Combat Mechanics Overhaul which I didn't for various reasons and they're much further down the tech tree.

Hello,

The compatitility is done in the new release of the version.

Kind Regards