Fatal error: Uncaught Error: Class 'Zend_Controller_Action' not found in /opt/www/internett/php/PHP_Book/eksempler/ch24 - MVC and the Zend Framework/ContactsController.php:3 Stack trace: #0 {main} thrown in /opt/www/internett/php/PHP_Book/eksempler/ch24 - MVC and the Zend Framework/ContactsController.php on line 3