ePDQ Error Messages

Error message: 202 – The transaction type ‘Auth’ requested is not allowed for an order that already has a valid transaction associated with it.

Meaning: You are trying to use an Order ID that has already been used on a previous order.

What to do: Create and enter a new Order ID for the transaction.

Error message: 221 – The card failed compliancy checks.

Meaning: The card number is incorrect.

What to do: Re-enter the correct card number.

Error message: 20 – Unable to determine card type.

Meaning: There are some digits missing from the card number.

What to do: Re-enter the correct card number.

Error message: 50 – Declined (General).

Meaning: The card has been declined by the Card Issuer.

What to do: Ask your customer to pay with a different card and suggest they contact their Card Issuer as soon as possible.

Error message: 3 – Declined. Call bank for manual approval.

Meaning: This is typically used in the event of a referred transaction, it is not necessarily that the card has been declined by the Card Issuer.

What to do: Explain to the client that the card requires a manual approval so we will need to call them back as it can take some time. Then refer to SearchVista Admin who will complete the transaction. The client may prefer to pay with an alternative card.

Error message: 502 – The transaction was approved by the processor. However, it failed a fraud rule and has been marked for review.

Meaning: The transaction has triggered one of the pre-set fraud rules and the system is set to ‘review’. The transaction has been sent to the review section and is on hold.

What to do: Review the transaction and decide whether to decline or approve the transaction.


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