Fatal error: Uncaught Error: Interface 'SMW\Importer\ContentIterator' not found in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/src/Importer/JsonContentIterator.php:13 Stack trace: #0 {main} thrown in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/src/Importer/JsonContentIterator.php on line 13