Fatal error: Uncaught Error: Interface "MediaWiki\Installer\Hook\LoadExtensionSchemaUpdatesHook" not found in /var/www/html/w/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/ExtensionSchemaUpdates.php:24 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/ExtensionSchemaUpdates.php on line 24