Fatal error: Uncaught Error: Interface "MediaWiki\Page\Hook\RevisionFromEditCompleteHook" not found in /var/www/html/extensions/FlaggedRevs/includes/backend/hook/FlaggedRevsHookRunner.php:12 Stack trace: #0 {main} thrown in /var/www/html/extensions/FlaggedRevs/includes/backend/hook/FlaggedRevsHookRunner.php on line 12