I can't make in app purchases.
I can't get in app purchase it says your purchase could not complete
iPod touch, iOS 6.1.5
If you are also getting a message to contact iTunes Support then you can do so via this link and ask them why the message is appearing (we are fellow users here on these forums) : 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