Fatal error: Uncaught Error: Class "GuzzleHttp\Promise\RejectionException" not found in /opt/app-root/src/wp-content/plugins/xyz-wp-smap/vendor/guzzlehttp/promises/src/CancellationException.php:8 Stack trace: #0 {main} thrown in /opt/app-root/src/wp-content/plugins/xyz-wp-smap/vendor/guzzlehttp/promises/src/CancellationException.php on line 8