I tried to buy through credit card clickbank.My works fine, but do not accept cilckbank it.Why?

I'm from Sri Lanka.I tried to buy a product through ClickBank, but an error message saying that "we could not allow its payment.Please making corrections to the details or try another method to pay. "My credit card worked well for purchases.It Internet 's Classic VISA card and got it through Hong Kong and Shanghai Banking Coporation (HSBC) and I even registered at the Verified by Visa and HSBC Internet banking service.I not all potential security thing and the rest of her, but she rejects ClickBank card.Please help me my credit.

I'm not sure why it would be happening. But I know that Clickbank accepts PayPal so you could give to those who deal

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