Warning: require_once(__DIR__/lib/db.class.php) [function.require-once]: failed to open stream: No such file or directory in C:\xampp\htdocs\alumni\global_fungsi.php on line 7

Fatal error: require_once() [function.require]: Failed opening required '__DIR__/lib/db.class.php' (include_path='.;\xampp\php\pear\') in C:\xampp\htdocs\alumni\global_fungsi.php on line 7