Fatal error: Uncaught Error: Interface "MediaWiki\Page\Hook\PageDeleteCompleteHook" not found in /var/www/html/w/extensions/Wikibase/repo/includes/Hooks/DeleteDispatcher.php:23 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/Wikibase/repo/includes/Hooks/DeleteDispatcher.php on line 23