Fatal error: Uncaught Error: Class 'Aws\Multipart\AbstractUploadManager' not found in /var/www/html/servicios/SDKAmazon/Aws/S3/MultipartCopy.php:10 Stack trace: #0 {main} thrown in /var/www/html/servicios/SDKAmazon/Aws/S3/MultipartCopy.php on line 10