ok, i actually didnt understand anything of what you wrote there..
Try to figure out if it is something a player does to affect this, if it is a player, what scripts is executed?
Fix em!
If it happens even without players, check if it is someone on website, if there is, what is he doing?
If you still get crash, even if server is completely isolated from outside access and the server running completely alone, then you can assume it is something with either the compiled version..
That is what i were thinking.