Missing Controller

Error: DefectsaaController could not be found.

Error: Create the class DefectsaaController below in file: app/controllers/defectsaa_controller.php

<?php
class DefectsaaController extends AppController {

	var $name = 'Defectsaa';
}
?>

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