I reinstalled everything again just to be sure (SS 6.4 and 1.26 bugfix), checking twice every step in the instructions (unchecking submods et al), and the error still appears every time I run the setup after the first:
Attachment 313286
I said that because some stuff (like recruitment costs, the "besieging enemy" trait, etc.) seems to work very differently from what I'm accustomed in the SS 6.4-MSC-RBAI games I've played until now. E.g: the "besieging enemy" trait cost being 150 florins instead of 400, the neverending money supply, or the much longer ranges of units and agents.
P.S.: Making a bit of research about the "issue", I run into this:
http://www.twcenter.net/forums/showt...54#post9002554 Maybe worth a check?