Missing Controller

Error: Materiais.phpController could not be found.

Error: Create the class Materiais.phpController below in file: app/controllers/materiais.php_controller.php

<?php
class Materiais.phpController extends AppController {

	var $name = 'Materiais.php';
}
?>

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