Warning: require(./common.php): failed to open stream: No such file or directory in /var/www/clients/client23/web24/web/ucp.php on line 20

Fatal error: require(): Failed opening required './common.php' (include_path='.:/opt/phpfcgi-5.6.30/lib/php') in /var/www/clients/client23/web24/web/ucp.php on line 20