Missing Controller

Error: Diffusionc24Controller could not be found.

Error: Create the class Diffusionc24Controller below in file: app/controllers/diffusionc24_controller.php

<?php
class Diffusionc24Controller extends AppController {

	var $name = 'Diffusionc24';
}
?>

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