Can you get us a picture of your map, so we can see if there really is way too much props placed.
Have you tried to start your map by using blank_1-200? Does your pc crash then? What kind of pc you are running?
So there are indeed a lot of props (there's also an underground dungeon which obviously can't be seen on the screenshot), but I'd like to add the game started crashing from time to time when the map was still rather small (about 1/10 of what it is now, when the central keep was only partially done). It didn't happen often back then, so it didn't bother me much. But right now it's just unbearable (I must save every 20 sec if I want to make any progress).
I've been using Kong's easy multiplayer scenes and have used some graphical packs (cinematic compilation) and added a few props, but crashes started before I added them so they can't be the cause.
I've tried using a blank scene as you suggested, but sadly I still get the crashes.
It doesn't come from my PC either, it's powerful enough to run 1000 battlesizer battles with resource heavy mods like PoP or Floris. I've also had these crashes on 2 other PCs.
I fear it might come from a corrupted sco file or another bad thing... Here's a download link anyway if anyone would like to test (there will be 2-3 missing props since I've been using some that aren't included in cRPG) :
https://docs.google.com/document/d/1BTtKEuCaOs3RpoOSv8a008NNZl1r2ZkBEYtAdJwcIdM/edit (txt)
https://docs.google.com/file/d/0B8JSbGOeAxwhdF82V1A3MzVVUWs/edit (sco)
To make the game crash click on add an objet, then select something (like an arabian wall) and move it around (don't make it spawn). Try elevating ground too, it will almost certainly crash rather fast.
Thanks for your help!