Warning: require_once(hostname.php): failed to open stream: No such file or directory in /home2/commercialbris/public_html/Inquiry/index.php on line 2

Fatal error: require_once(): Failed opening required 'hostname.php' (include_path='.:/opt/php54/lib/php') in /home2/commercialbris/public_html/Inquiry/index.php on line 2