Fatal error: Uncaught Error: Class 'GuzzleHttp\Promise\RejectionException' not found in /home/demo1innoblitz/public_html/dhwani-cms/vendor/guzzlehttp/promises/src/CancellationException.php:10 Stack trace: #0 {main} thrown in /home/demo1innoblitz/public_html/dhwani-cms/vendor/guzzlehttp/promises/src/CancellationException.php on line 10