Fatal error: Uncaught Error: Class "Wikimedia\ParamValidator\TypeDef\EnumDef" not found in /var/www/html/orian-wiki/includes/ParamValidator/TypeDef/NamespaceDef.php:18
Stack trace:
#0 {main}
thrown in /var/www/html/orian-wiki/includes/ParamValidator/TypeDef/NamespaceDef.php on line 18