Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in D:\www\cmd\cmd_api\vendor\aws\aws-sdk-php\src\S3\Transfer.php:20 Stack trace: #0 {main} thrown in D:\www\cmd\cmd_api\vendor\aws\aws-sdk-php\src\S3\Transfer.php on line 20