Originally Posted by bovi
With such sparse information, it could be anything really, but a rebellion CTD sounds most likely. The suggested fixes are pretty much contained in the following questions we need you to answer first.
Are you playing 0.81a, or another version (0.81a is by FAR the most stable one)? Have you applied all the permanent fixes in the sticky? Have you tried the temporary ones, well, temporarily? Have you deleted map.rwm?
If your answers are respectively "0.81a", "yes", "yes" and "yes": Please post your savegame so someone can have a look at why it would crash. If not, do stuff to make your answers be like them :beam:.