Fatal error: Uncaught Error: Interface "MediaWiki\Language\MessageLocalizer" not found in /var/www/html/w/extensions/WikibaseQualityConstraints/src/Specials/ConstraintReportTableBuilder.php:30 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/WikibaseQualityConstraints/src/Specials/ConstraintReportTableBuilder.php on line 30