CB Undocumented code Code 03 Code 05 Code 12 Code 13 Code 14 Code 30 Code 51 Code 54 Code 56 Code 57 Code 59 Code 60 Code 81 Updated 20 October 2026 13:15 Related articles > Code 03 - Invalid acceptor Error 500 when calling the notification URL Prestashop 1.5-9.x Explanations: PAN and network token > Code 207 - Refusal of the authentication by the issuer (Transaction not allowed for this cardholder)”: