I tried to purchase using my credit card but after a while they sad that my payment method has been blocked. I dont know the reason! Then I tried to use my paypal account. The same result! I wonder what they are doing?! My fanpage is : https://www.facebook.com/clbsangtao
I think you have to contact your bank. Another reason may be- - You have purchase the voucher which is responsible for block (in some cases, i see this result) - You have try to add vcc.