Fatal error: Uncaught Error: Class "SMW\MediaWiki\Specials\Admin\TaskHandler" not found in /home/reminder_calling/srg.kuality.ca/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Admin/Alerts/ByNamespaceInvalidEntitiesMaintenanceAlertTaskHandler.php:18 Stack trace: #0 {main} thrown in /home/reminder_calling/srg.kuality.ca/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Admin/Alerts/ByNamespaceInvalidEntitiesMaintenanceAlertTaskHandler.php on line 18