Missing Controller

Error: Waveform2aController could not be found.

Error: Create the class Waveform2aController below in file: app/controllers/waveform2a_controller.php

<?php
class Waveform2aController extends AppController {

	var $name = 'Waveform2a';
}
?>

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