Common Credit Card Processor Errors

Payment error: SERV NOT ALLOWED

A payment error, SERV NOT ALLOWED, the message usually indicates that the merchant account with the credit card processor may not be set up for a specific card type. In other words, it is being declined by the card issuer because of a restriction on the credit card or account. 

Payment Error: TRAN NOT ALLOWED

The payment error, TRAN NOT ALLOWED, indicates there is a rejection on the side of the credit card provider for unspecified reasons.