Warning: require_once(common/cfg_server.php): failed to open stream: No such file or directory in C:\xampp\htdocs\online\index.php on line 5

Fatal error: require_once(): Failed opening required 'common/cfg_server.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\online\index.php on line 5