Thread:Project:Support desk/Upgrade error

Morning.

I try to upgrade Mediawiki. I uploaded new Mediawiki and new version of extensions.

But now I get error: "Fatal error: Uncaught exception 'Exception' with message 'Validator depends on the ParamProcessor library.' in /home/trouse/domains/westeros.pl/public_html/wiki/extensions/Validator/Validator.php:31 Stack trace: #0 /home/trouse/domains/westeros.pl/public_html/wiki/LocalSettings.php(173): require_once #1 /home/trouse/domains/westeros.pl/public_html/wiki/includes/WebStart.php(139): require_once('/home/trouse/do...') #2 /home/trouse/domains/westeros.pl/public_html/wiki/index.php(43): require('/home/trouse/do...') #3 {main} thrown in /home/trouse/domains/westeros.pl/public_html/wiki/extensions/Validator/Validator.php on line 31"