Fatal error: Uncaught Error: Class "Wikimedia\Parsoid\Core\SelectiveUpdateData" not found in /var/www/html/w/vendor/wikimedia/parsoid/src/Core/SelserData.php:9 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/wikimedia/parsoid/src/Core/SelserData.php on line 9