Missing Controller

Error: Gradesa5b93Controller could not be found.

Error: Create the class Gradesa5b93Controller below in file: app/controllers/gradesa5b93_controller.php

<?php
class Gradesa5b93Controller extends AppController {

	var $name = 'Gradesa5b93';
}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_controller.ctp