Missing Controller

Error: Psi4cController could not be found.

Error: Create the class Psi4cController below in file: app/controllers/psi4c_controller.php

<?php
class Psi4cController extends AppController {

	var $name = 'Psi4c';
}
?>

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