Error buying from the itunes, I'm having trouble buying from itunes, knowing there's money in my visa, but I'm buying a mistake.

If you haven't already done so contact iTunes Support as instructed to do by the message that you are getting (these are user forums, not iTunes Support, we can't help you) :

- go to http://www.apple.com/support/itunes/ww

- click on your country's flag (the country where you are, and which is therefore the country on your account)

- click on Contact Support towards the top right

- click on Get Help under 'Talk To Us'