Hi! This is Catherine of iTunes Store Customer Support. I understand that you were unable to purchase in your account. I'm happy to tell you that the issue on your account, has been resolved by one of our Senior Advisors.
Please try again after 30 minutes. Log out and sign back in to refresh your account
If you are unable to purchase content from the iTunes Store after trying again, please let me know.
In case you need further assistance with your iTunes store account, please feel free to reply and I will be glad to assist you.
Have a nice day.
Sincerely,
Catherine
iTunes Store/Mac App Store Customer Support
Please Note: I work Thursday-Monday, 6:00 PM-3:00 AM EST