Mastercard - Error Codes

Error Code	Description
00 - Approved	The transaction has been successfully authorized and approved.
01 - Refer to card issuer	The merchant should contact the card issuer for further instructions or authorization.
03 - Invalid merchant	The merchant's identification or account is invalid.
04 - Capture card	The card should be retained or captured by the merchant.
05 - Do not honor	The card issuer has declined the transaction for various reasons.
08 - Honor with ID	The transaction can be authorized if additional identification information is provided.
10 - Partial approval	The transaction has been partially approved for an amount less than the total requested.
12 - Invalid transaction	The transaction is invalid or cannot be processed.
13 - Invalid amount	The transaction amount is invalid or exceeds the allowable limit.
14 - Invalid card number	The provided card number is invalid.
30 - Format error	The transaction request has a format error or is not properly structured.
40 - Not supported	The requested transaction type or functionality is not supported.
41 - Lost card	The card has been reported as lost.
43 - Stolen card	The card has been reported as stolen.
51 - Insufficient funds/over credit limit	The cardholder's account does not have sufficient funds or has exceeded the credit limit.
54 - Expired card	The card being used has expired and is no longer valid.
55 - Invalid PIN	The entered PIN is invalid or incorrect.
57 - Transaction not permitted to issuer/cardholder	The transaction is not permitted for the issuer or cardholder.
58 - Transaction not permitted to acquirer/terminal	The transaction is not permitted for the acquirer or terminal.
61 - Exceeds withdrawal amount limit	The transaction amount exceeds the permitted withdrawal limit.
62 - Restricted card	The card is restricted and cannot be used for the transaction.
63 - Security violation	A security violation has occurred during the transaction.
65 - Exceeds withdrawal count limit OR soft-decline of EMV 3DS authentication	The transaction exceeds the allowed withdrawal count limit or there is a soft-decline in EMV 3DS authentication.
75 - Allowable number of PIN tries exceeded	The maximum number of PIN entry attempts has been exceeded.
79 - Life cycle	The transaction is related to the card's life cycle and cannot be processed.
81 - Domestic debit transaction not allowed	Domestic debit transactions are not allowed for the transaction.
82 - Policy	The transaction violates a policy or rule.
83 - Fraud/Security	The transaction is flagged as potential fraud or security risk.
85 - Not declined	The transaction has not been declined.
86 - PIN validation not possible	PIN validation for the transaction is not possible.
87 - Purchase amount only	Only the purchase amount is allowed for the transaction.
88 - Cryptographic failure	A failure has occurred in the cryptographic process.
89 - Unacceptable PIN - transaction declined - retry	The entered PIN is unacceptable, and the transaction is declined with the option to retry.
91 - Authorization system or issuer system inoperative	The authorization system or the issuer's system is currently inoperative or unavailable.
92 - Unable to route transaction	The transaction cannot be routed or directed to the appropriate destination.
96 - System error	A system error or malfunction has occurred.