Fatal error: Uncaught Error: Interface 'GuzzleHttp\MessageFormatterInterface' not found in /home/xcddwtvp/public_html/aws-sdk-php/GuzzleHttp/MessageFormatter.php:38 Stack trace: #0 {main} thrown in /home/xcddwtvp/public_html/aws-sdk-php/GuzzleHttp/MessageFormatter.php on line 38