Fatal error: Uncaught Error: Class 'SMW\MediaWiki\Specials\Admin\TaskHandler' not found in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Admin/Maintenance/DataRefreshJobTaskHandler.php:21 Stack trace: #0 {main} thrown in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Admin/Maintenance/DataRefreshJobTaskHandler.php on line 21