Fatal error: Uncaught Error: Class 'SMW\DataValues\BooleanValue' not found in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/src/DataValues/UniquenessConstraintValue.php:11 Stack trace: #0 {main} thrown in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/src/DataValues/UniquenessConstraintValue.php on line 11