There are many possible reasons for a credit card not being accepted:
- The card is expired.
 - You have reached or exceeded your credit limit.
 - The card issuing bank is blocking the transaction.
 - You have exceeded your daily charge limit.
 - A computer at either end of the transaction is having technical problems.
 
After checking the possible reasons above, if you are still having problems with your credit card payment, please submit a ticket. You may be asked for any error messages that you received.