Received error when paid for exam

unknown

Hello I just pad for the WiSE 1 exam and received the following message:



An error occurred while trying to report this transaction to the merchant. An e-mail has been sent to the merchant informing them of the error. The following is the result of the attempt to charge your credit card.



This transaction has been approved.


It is advisable for you to contact the merchant to verify that you will receive the product or service.



Can some one assist me immediatelty????!!!