Rampage xt gear issue

[Madelyj]

Hello. I just got my rampage xt and I went outside yesterday to run the second tank. While running it around it decided to stop wanting to move. I let it cool down and took the gear cover off to see if I see an issue. I noticed the bell house spins and the nut that goes through the first gear just spins freely. When I started the truck and hit the gas the bell house moves but the gears don't. I was thinking a clutch issue? Not sure. Any suggestions or ideas would be great. Thanks