Warning: require_once(/www/common/mobile_device_detect.php): failed to open stream: No such file or directory in /var/www/html/clien/index.php on line 20

Fatal error: require_once(): Failed opening required '/www/common/mobile_device_detect.php' (include_path='.:/usr/local/lib/php') in /var/www/html/clien/index.php on line 20