Notice (8): Undefined variable: name [APP/View/Errors/error400.ctp, line 20]

Error:

Notice (8): Undefined variable: url [APP/View/Errors/error400.ctp, line 25]
The requested address '' was not found on this server.

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/admin.database.csvrovigo.it/php/lib/Cake/View/Errors/fatal_error.ctp on line 23