Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromisorInterface' not found in /data/newpmo/web/plugin/aws_s3/Aws/S3/ObjectCopier.php:14 Stack trace: #0 {main} thrown in /data/newpmo/web/plugin/aws_s3/Aws/S3/ObjectCopier.php on line 14