Upgrading

Fatal error: Class 'Model' not found in /usr/hosts/domains/aaaa542/www.aaaaa.com/httpdocs/install/model/upgrade.php on line 2

or

Fatal error: Class 'Model' not found in /usr/hosts/domains/aaaa542/www.aaaaa.com/httpdocs/install/upgrade.php on line 2


I can't upgrade to latest version because i get that error. Anybody know how to fix that?

Fatal error: Class 'Controller' not found in

i get that too.

Please guys, help me.

I've fixed it by myself.