Warning: require_once(./controllers/main_controller.php) [function.require-once]: failed to open stream: No such file or directory in C:\WWW\shinryo_shien\views\main\main.php on line 2

Fatal error: require_once() [function.require]: Failed opening required './controllers/main_controller.php' (include_path='.;C:\PHP\includes;C:\www\shinryo_shien;') in C:\WWW\shinryo_shien\views\main\main.php on line 2