Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in /home/paathamus/public_html/awsSms/Aws/S3/ObjectCopier.php:14 Stack trace: #0 {main} thrown in /home/paathamus/public_html/awsSms/Aws/S3/ObjectCopier.php on line 14