Fatal error: Uncaught Error: Class 'SMW\MediaWiki\Specials\Admin\TaskHandler' not found in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Admin/Maintenance/TableSchemaTaskHandler.php:20 Stack trace: #0 {main} thrown in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Admin/Maintenance/TableSchemaTaskHandler.php on line 20