Fatal error: Uncaught TypeError: Argument 4 passed to PrestaShop\PrestaShop\Core\Session\SessionHandler::__construct() must be of the type string, null given, called in /var/www/clients/client1/web1/web/config/config.inc.php on line 198 and defined in /var/www/clients/client1/web1/web/src/Core/Session/SessionHandler.php:61 Stack trace: #0 /var/www/clients/client1/web1/web/config/config.inc.php(198): PrestaShop\PrestaShop\Core\Session\SessionHandler->__construct() #1 /var/www/clients/client1/web1/web/index.php(27): require('/var/www/client...') #2 {main} thrown in /var/www/clients/client1/web1/web/src/Core/Session/SessionHandler.php on line 61