When I try and buy a in-App purchase it comes up with a box saying that the purchase was not able to be completed go to this website for more info.
In-app purchases not working please help
iPad 2, iOS 6.1.2
If you are getting a message to contact iTunes support then you can do so via this page and ask them for help (on thses forume we won't know why it's appearing) : http://www.apple.com/support/itunes/contact/ - click on Contact iTunes Store Support on the right-hand side of the page, then Purchases, Billing & Redemption