Fatal error: Uncaught Error: Interface 'SMW\Importer\ContentCreator' not found in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/Importer/ContentCreators/XmlContentCreator.php:17 Stack trace: #0 {main} thrown in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/src/Importer/ContentCreators/XmlContentCreator.php on line 17