Fatal error: Uncaught Error: Class 'GuzzleHttp\Promise\RejectionException' not found in /home2/rock/public_html/vendor/guzzlehttp/promises/src/AggregateException.php:8 Stack trace: #0 {main} thrown in /home2/rock/public_html/vendor/guzzlehttp/promises/src/AggregateException.php on line 8