Missing controller

You are seeing this error because controller Alvin-sargentController could not be found.

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

Fatal: Create the class below in file : app/controllers/alvin-sargent_controller.php

<?php
class Alvin-sargentController extends AppController {
   var $name = 'Alvin-sargent';
}
?>