Resolution of the PHP authorization error as CGI in PrestaShop

You may encounter the following error message: "It appears that you are running PHP as CGI" when configuring the Klaviyo module in PrestaShop.

To resolve this issue, it is necessary to modify a parameter in PrestaShop, and then regenerate your .htaccess file. Follow the steps outlined in this article from the Klaviyo help center to complete the integration with PrestaShop correctly.