Missing Controller

Error: HorizontalPopulatedController could not be found.

Error: Create the class HorizontalPopulatedController below in file: app/controllers/horizontal_populated_controller.php

<?php
class HorizontalPopulatedController extends AppController {

	var $name = 'HorizontalPopulated';
}
?>

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