Missing Controller

Error: Acc.htmController could not be found.

Error: Create the class Acc.htmController below in file: app/controllers/acc.htm_controller.php

<?php
class Acc.htmController extends AppController {

	var $name = 'Acc.htm';
}
?>

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