SuperStef

I haven't created a custom DB for FM23 yet, but from previous experience it may be because your custom one isn't validated. Did you press Test Rules before saving the database?

The last editor I used was FM17's. Do the extinct nations work the same as back then, so if you use Ireland (Pre-1922) for example all game-generated people have Irish names? Learned that the hard way after initially using British Raj (I think) as the base for my fictional Balkan country...