Fatal error: Uncaught Error: Interface "SMW\PropertyAnnotator" not found in /var/www/html/extensions/SemanticMediaWiki/src/Elastic/Indexer/Attachment/AttachmentAnnotator.php:18 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/src/Elastic/Indexer/Attachment/AttachmentAnnotator.php on line 18