Fatal error: Uncaught Error: Class "Wikimedia\Parsoid\Ext\ExtensionTagHandler" not found in /var/www/html/orian-wiki/vendor/wikimedia/parsoid/tests/ParserTests/ParserHook.php:16 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/vendor/wikimedia/parsoid/tests/ParserTests/ParserHook.php on line 16