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In PRODUCTION mode, if your buyer gets an error message such as:

An error occurred during the payment request, please make sure that the posted parameters match 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.

We invite you to check the following reason(s) to resolve the issue:

The format of the field is incorrect.
The vads_cust_national_id permits to transmit the national identifier that allows each citizen to identify him/herself with a unique ID within a country. It has the following characteristics:
  • Length: 255 characters maximum
  • Type: alphanumeric and special characters (except “<” and “>”).

Check that the value entered in the form have these characteristics.