Fatal error: Uncaught Error: Class "MediaWiki\SpecialPage\UnlistedSpecialPage" not found in /var/www/html/extensions/FlaggedRevs/includes/frontend/specialpages/actions/Stabilization.php:11 Stack trace: #0 {main} thrown in /var/www/html/extensions/FlaggedRevs/includes/frontend/specialpages/actions/Stabilization.php on line 11