error 134
In PRODUCTION mode, in case of an incorrect value like eligible_amount_negative, the user will get the following error message in the browser during a payment:
| An error occurred during the payment request, please make sure that the posted parameters match with the ones specified in the documentation. |
It becomes impossible to make the payment and the transaction is definitively lost.
You will receive an email notification containing the form that the gateway was unable to process and the value of the invalid field.