Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in /home/alotaishan/public_html/ots001/vendor/aws/aws-sdk-php/src/Multipart/AbstractUploadManager.php:21 Stack trace: #0 {main} thrown in /home/alotaishan/public_html/ots001/vendor/aws/aws-sdk-php/src/Multipart/AbstractUploadManager.php on line 21