Mandatory parameter.

Generated while subscribing to the payment gateway.

Its value can be seen in the interface of the Back Office in Settings > Shop > Certificates tab by all authorized persons.

If the value is not correct, when paying the buyer will get an error message on his browser.

The payment is then impossible and the transaction is definitely stopped.

A warning e-mail is then sent to the administrator contact. It contains the form that the payment gateway could not process.

Format n8
Error code 02
Category Technical details.