Missing Controller

Error: Catalog.htmController could not be found.

Error: Create the class Catalog.htmController below in file: app/controllers/catalog.htm_controller.php

<?php
class Catalog.htmController extends AppController {

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

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