See Tips below for a possible workaround.
Keep at least one faction underneath 'nonplayable' to avoid bugs. Every tie that you pick up a new faction in this game, you end up feeling like you’re having to relearn how to make your way through the campaign. The file should begin with a list of faction names, sorted underneath the words 'playable,' 'unlockable,' and 'nonplayable.' Select all factions underneath 'unlockable,' cut them from the document, and paste them into the list under 'playable.' Before you do the same for the factions underneath 'nonplayable,' read the following warnings:
