Fatal error: Uncaught Error: Class "Opis\JsonSchema\Keywords\AbstractRefKeyword" not found in /home/imperfettolab/public_html/web/app/plugins/woocommerce/vendor/opis/json-schema/src/Keywords/URIRefKeyword.php:24 Stack trace: #0 {main} thrown in /home/imperfettolab/public_html/web/app/plugins/woocommerce/vendor/opis/json-schema/src/Keywords/URIRefKeyword.php on line 24