Missing Controller

Error: YgSRNController could not be found.

Error: Create the class YgSRNController below in file: app/controllers/yg_s_r_n_controller.php

<?php
class YgSRNController extends AppController {

	var $name = 'YgSRN';
}
?>

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