This was the email I got from Ticket Support. "Unfortunately, you were unable to register for the OMG Sale because you had purchased a vehicle pass by itself in the Main Sale. Doing so is against our terms and conditions and would bar you from future sales. Don’t give up—there are still tickets and ...

I had the same thing happen to me--bought the vehicle pass in the main sale, a few days later was told I couldn't do this, and was then refunded my money. Like you said, "the system let me do it, so why not try". Two days ago I tried to register for the OMG sale and got the same error message. I imm...