не могу купить игру что делать???

hello!!! I asked for help because none of my friends do not know how to help me .. I have an account in the Russian appstore I recently created him and came at him once I tied the card Visa Card 189 rub her $ 6 I wanted to buy Modern Combat 4 33rub $ 1 and everything is fine but when it is the end of the purchase writes that this purchase can not be completed!