crash after battle

So I'm not sure if this is a Bannerlord problem or a problem of my PC, but this never happened before: I just won a huge Battle, almost 900 enemies against our 500. After the battle was won I rode to the nearby shore and reared up my horse (as one does), and then, I wanted to take a screenshot...

Summary: After winning a battle while leading an army, the victory/results screen comes up. When I press done, the game crashes. I tested on the same save file - a 1v1 battle does not reproduce. If I join a battle involving multiple parties, I get the same crash. How to Reproduce: Not 100%...