Not compatible with combat mechanics overhaul.
Had error on startup (sorry forgot to copy error)

Without error message i dont know what the problem is... or at last tell me the comat mod.

Hello. I updated the mod and tried again. Sadly it didn't work :/
Here is the error:
Failed to load mods: Error while loading entity prototype "beltlayer-bpproxy-turbo-transport-belt" (constant-combinator): Key "filename" not found in property tree at ROOT.constant-combinator.beltlayer-bpproxy-turbo-transport-belt.sprites.north.layers[0]
Modifications: Beltlayer by Orillien › Combat Mechanics Overhaul

Which combat mod you try to use ? Need to for debuggin

https://mods.factorio.com/mod/combat-mechanics-overhaul
this is the mod game says it conflicts with