Fatal error: Uncaught Error: Class "Wikimedia\ParamValidator\TypeDef" not found in /var/www/html/orian-wiki/includes/ParamValidator/TypeDef/UserDef.php:27
Stack trace:
#0 {main}
thrown in /var/www/html/orian-wiki/includes/ParamValidator/TypeDef/UserDef.php on line 27