Sweboz CTD. 184 BC.

[bovi]

Thank you for your report. It is likely a rebellion causing the problem. You should try to see whether any city is about to rebel (for any faction) or reload an older savegame.

So yeah, find the rebellion and make sure it doesn't.

Anyway, operating with only one save per campaign is foolish. I've strived to make EB as stable as possible, but it's not perfect. Trust in God, but keep the gunpowder dry.