Fatal error: Uncaught Error: Interface "Aws\S3\S3Transfer\Progress\ProgressBarInterface" not found in C:\WebServer\htdocs\bookshelf\vendor\aws\aws-sdk-php\src\S3\S3Transfer\Progress\ConsoleProgressBar.php:5 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\aws\aws-sdk-php\src\S3\S3Transfer\Progress\ConsoleProgressBar.php on line 5