So i added a mod for 4G fallout NV and it does the same thing, currently searching for the thing thats making it crash, so far no luck download link here if you can tell me whats breaking it : https://cf-files.nexusmods.com/cdn/130/62552/FNV%204GB%20Patch-62552-1-4-1541454309.7z?md5=R0sOggsQYydoDyBwBOZ3Tg&expires=1600046855&user_id=93254773&rip=69.65.88.153