Fatal error: Uncaught Error: Class "Aws\Multipart\AbstractUploader" not found in /home/ramassof/backup.ramas.dev/vendor/aws/aws-sdk-php/tests/Multipart/TestUploader.php:13 Stack trace: #0 {main} thrown in /home/ramassof/backup.ramas.dev/vendor/aws/aws-sdk-php/tests/Multipart/TestUploader.php on line 13