This is a technologically inclined pack. Just saying, the pack doesn't work but the fix is to delete the nomadic tents mod. I am not updating the modpack so if you want to play it, which I would highly recommend, just delete that mod and you'll be golden.
Install CookiesInVegas Modpack 2.0
Step 1
Installing a modpack using the Technic Launcher is easy. If you don't already have the launcher downloaded, visit our download page to get the latest version.
Step 2
Type in the modpack name (CookiesInVegas Modpack 2.0) or paste the following url into the search box.
Step 3
Finally, click Install at the bottom right of the launcher after you select CookiesInVegas Modpack 2.0 from the list on the left. The launcher will handle everything else!