Fatal error: Uncaught Error: Class 'SMW\DataValues\ValueFormatters\DataValueFormatter' not found in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/src/DataValues/ValueFormatters/ReferenceValueFormatter.php:22 Stack trace: #0 {main} thrown in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/src/DataValues/ValueFormatters/ReferenceValueFormatter.php on line 22