think its refering to a problem in descr_regions.txt
Tribus_Saxones
Bordesholm
germans
Saxones
232 41 55
timber, slaves, amber, dogs, pigs
5
3
what it calls the default faction is the line in bold, you can't have a faction as the default faction in regions if its not in descr_strat as well. I'm not sure if what it calls region 131 is going to be at logical position in list though - I can't remember how it numbers regions.