I found the issue: Project Balkans is incompatible with ProMods. North Map, Swedish Islands and Project Greenland cause conflicts with ProMods too.

@Vinnie Terranova: I know North Map is not on your load order but I've tried removing it and it doesn't change anything in the Balkans.

It seems that N-Macedonia Rework and Project Balkans don't work well together. Using either works fine with PM, but when you put all three together in a combo there's broken roads. I reported this earlier via the SCS forum at https://forum.scssoft.com/viewtopic.php?p=1708052#p1708052 Earlier versio...

My map combo is: Crash fix for huge combo maps Zoom crash fix ProMods Complete Afroeurasia Background Map Scale Hack Disable Ferry Collection for ETS2 v2022.06.14 BG+ v0.9 Swedish Islands Map addon Wombat Edition v1.12 1.44 Paris Rebuild v3.2 Project Caucasus 1.0a AZGE add-on 1.44 ROEX EN city names...

I've found many broken roads which will cause crashes. Is it due to my map combo or is it a compatibility issue with promods?