Fatal error: Uncaught Error: Class 'SMW\MediaWiki\Specials\Admin\TaskHandler' not found in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Admin/Alerts/OutdatedEntitiesMaxCountThresholdMaintenanceAlertTaskHandler.php:18 Stack trace: #0 {main} thrown in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Admin/Alerts/OutdatedEntitiesMaxCountThresholdMaintenanceAlertTaskHandler.php on line 18