ARGHH!!!!
"We have been notified by the agency that processes these orders, a mailing was returned due in an "invalid" address. Please send us a follow-up e-mail confirming your mailing address so we can remedy the situation for you. "
Are you kidding me??!?! I have double checked (and it hasn't ever been changed - Canadian prizes always made it to the right address). It was the right address.