Fatal error: Uncaught Error: Class 'SMW\Query\ResultPrinters\ResultPrinter' not found in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/src/Query/ResultPrinters/FileExportPrinter.php:18 Stack trace: #0 {main} thrown in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/src/Query/ResultPrinters/FileExportPrinter.php on line 18