I've also run into this issue. My two buddies on multiplayer are able to get on, but i cant. I only have the 4 or 5 mods in the "mods" folder and can only get to 28%, then it shuts the game down. I'm on Steam if that might help someone diagnose. The guy who set up the server had a similar issue, but once he removed the mods, he was able to get on. I downloaded this updated version 1.0.0.1, but their server is using the original 1.0.0.0. Will post if we figure it out.