Fatal error: Uncaught Error: Class "Aws\Multipart\AbstractUploadManager" not found in C:\Apache24\htdocs\ControlMantWeb\vendor\aws\aws-sdk-php\src\S3\MultipartCopy.php:10
Stack trace:
#0 {main}
thrown in C:\Apache24\htdocs\ControlMantWeb\vendor\aws\aws-sdk-php\src\S3\MultipartCopy.php on line 10