Fatal error: Uncaught Error: Class 'Aws\Multipart\AbstractUploadManager' not found in /home/app/htdocs/ninja/vendor/aws/aws-sdk-php/src/S3/MultipartCopy.php:8
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/aws/aws-sdk-php/src/S3/MultipartCopy.php on line 8