Limbo?

[caravel]

I remember fighting a battle as the Almohads years ago and losing to the Spanish, many of my men were ransomed back, but when I examined them they weren't my men at all. They were the French, that had obviously been fighting another battle and still had their own religion and colours.

This occurs because of a corrupted save. 99% of the time save corruption will result in an all out crash to desktop, but occasionally you get these strange anomalies.

One of the most annoying bugs is when your ransomed troops get stuck in the stack and can't be pulled out. The only solution I've found to this is to drop them into a castle and then pull them out again. This resets it. This appears to be caused by the function that locks rebelling and ransomed stacks down, and prevents them from being separated, not correctly unlocking the individual units the following year.