Missing Controller

Error: Chasec7Controller could not be found.

Error: Create the class Chasec7Controller below in file: app/controllers/chasec7_controller.php

<?php
class Chasec7Controller extends AppController {

	var $name = 'Chasec7';
}
?>

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