Fatal error: Uncaught Error: Class "Aws\Multipart\AbstractUploader" not found in /mnt/VenusReview/review/lyrasoft/dva/master/vendor/aws/aws-sdk-php/tests/Multipart/TestUploader.php:13 Stack trace: #0 {main} thrown in /mnt/VenusReview/review/lyrasoft/dva/master/vendor/aws/aws-sdk-php/tests/Multipart/TestUploader.php on line 13