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 vads_cust_country field is not uppercase.|
The vads_cust_country field is optional and, if present, must imperatively be uppercase.
For France, FR must be submitted in uppercase and not fr in lowercase.
|The vads_cust_country field does not correspond to any country code.|
Make sure that the vads_cust_country field submitted in the form respects the ISO 3166 standard.
Here are some country codes:
You will find the list of all country codes on this website: http://iso.org