Fatal error: Uncaught Error: Class 'SMW\MediaWiki\Deferred\CallableUpdate' not found in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/MediaWiki/Deferred/TransactionalCallableUpdate.php:19 Stack trace: #0 {main} thrown in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/MediaWiki/Deferred/TransactionalCallableUpdate.php on line 19