Missing Controller

Error:

Notice (8): Undefined variable: class [CORE/Cake/View/Errors/missing_controller.ctp, line 24]
could not be found.

Error:

Notice (8): Undefined variable: class [CORE/Cake/View/Errors/missing_controller.ctp, line 28]
Notice (8): Undefined variable: class [CORE/Cake/View/Errors/missing_controller.ctp, line 28]
Create the class below in file: app/Controller/.php

<?php
class 
Notice (8): Undefined variable: class [CORE/Cake/View/Errors/missing_controller.ctp, line 32]
Notice (8): Undefined variable: plugin [CORE/Cake/View/Errors/missing_controller.ctp, line 32]
extends AppController { }

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

Fatal Error

Error:

Notice (8): Undefined variable: error [CORE/Cake/View/Errors/fatal_error.ctp, line 23]

Fatal error: Call to a member function getMessage() on null in /var/www/html/database.csvrovigo.it/php/lib/Cake/View/Errors/fatal_error.ctp on line 23