Fatal error: Uncaught Error: Interface "Inpsyde\Zettle\ProductDebug\Rest\V1\EndpointInterface" not found in /var/www/html1/wp-content/plugins/zettle-pos-integration/modules/zettle-product-debug/src/Rest/V1/ProductValidationEndpoint.php:24 Stack trace: #0 {main} thrown in /var/www/html1/wp-content/plugins/zettle-pos-integration/modules/zettle-product-debug/src/Rest/V1/ProductValidationEndpoint.php on line 24