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