Look for the enable tethering thread in the general section. It's probably checking for the AT&T tethering plan do you'll need to do that to make it work.
Sent from Black<3's I337 running Hyperdrive
Current Device: ATT Samsung Galaxy S4 (i337)
Droid Bionic (GSM Hacked)
HTC Inspire 4G (Desire HD)
HTC Dev Phone 1 (Dream/G1)