Due to the reason of your credit/debit card issuing bank, your payment was not be approved.
There are some very important information can help you to complete the payment:
1. You can call your credit/debit card issuing bank to let them know you are the card holder and the payment was making by you. It will be 100% successful if the issuing bank receives your phone, it is the best way to solve the problem.
2.The simplest way is pay again or change another card.
3.Change the payment from credit card to PayPal.