That sounds like a corrupted savegame, you'll need to load from an earlier back up.
manekemaan said:Post all your questions about the Diplomacy mod here and we will try to answer them!
Thank you. But I already found the link. But thank you anyway. For answer.That version of diplomacy is not more maintained, the current one is the one mentioned in this thread: https://forums.taleworlds.com/index.php/topic,324014.0.html