In this case, it’s probably that the card-issuing bank is generally worried that it is not the cardholder’s own transaction or the cardholder’s card has not activated the international payment function, so the transaction is not released or authorized, resulting in failure. Maybe you can also try to pay through PayPal, which is also a safe and convenient payment method. If you insist to use the credit card, you could call the issuing bank to get authorization, then you can place an order again.