If you receive an e-mail from Scellius with the error 22 – CUST_COUNTRY, it means that the country code that you entered in PrestaShop does not comply with the ISO 3166 standard.

To modify the ISO code, in PrestaShop, go to the Localization > Country menu and enter a valid code.

For more information on ISO 3166 codes, see:

http://www.iso.org/iso/fr/home/standards/country_codes.htm