I have just created a website. call it demo.site.com PHP: <?phpini_set('display_errors', 1);require_once ('inc/head.php');?> It uses php and appears to be working, however as soon as I try to include or require a file I get errored out. PHP: Warning: include(): Failed opening 'inc/head.php' for inclusion (include_path='.:/usr/share/php:/var/www/clients/client2/web30/web/inc') in /var/www/clients/client2/web30/web/index.php on line 4 I have added the path to the folder to include it in the include paths on the ispconfig websites options tab. SETTINGS:: PHP: php setting: php-fpmphp directive: include_path='.:/usr/share/php:/var/www/clients/client2/web30/web/inc'