CTD mid battle

Hi, I'm playing as the Romans and am assaulting Segestica on EB 1.2 with the official fixes (along with a couple sub-mods), which is controlled by the Aedui. I have two full stacks attacking it, one from each side. Every single time i try to play the battle the game CTDs at some point, usually within 1 minute or 2 of the beginning of the battle. I also tried another battle at Bononia, and the same thing happened. Any ideas what's going on here? One more thing, a couple of times i tried to zoom in on my eqvites praetoriani, and whenever the camera got too close the game CTDs. I tried not zooming in on them, but it still CTDs, just a little later.