Fatal error: Uncaught Error: Class "Opis\JsonSchema\Loaders\Memory" not found in /var/www/html/orian-wiki/vendor/opis/json-schema/src/Loaders/File.php:22
Stack trace:
#0 {main}
thrown in /var/www/html/orian-wiki/vendor/opis/json-schema/src/Loaders/File.php on line 22