Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in /var/www/lagbe/vendor/aws/aws-sdk-php/src/S3/S3Transfer/AbstractMultipartUploader.php:21 Stack trace: #0 {main} thrown in /var/www/lagbe/vendor/aws/aws-sdk-php/src/S3/S3Transfer/AbstractMultipartUploader.php on line 21