Fatal error: Uncaught Error: Class "Aws\Multipart\AbstractUploadManager" not found in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker.app/crater/vendor/aws/aws-sdk-php/src/S3/MultipartCopy.php:10 Stack trace: #0 {main} thrown in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker.app/crater/vendor/aws/aws-sdk-php/src/S3/MultipartCopy.php on line 10