Game crash

Game crashed out of no reason. Occured a few times.

I was testing my module on an empty map. The game exits to desktop without a `blackhole` page.

Mods(2) are: DGSM, Better automation Overlay.

I was playing with a few mods, but I think they are not the cause. If the a mod crashes, it should show a `black hole` page instead of directly exitting.

I'm not sure whether the crash was about autosaving. (I set autosave interval to 20 cycles). I was not looking at the screen when crash.

The crash occured a few times, sometimes Cycle 301 successfully saved before crash, sometimes crash before save