Fatal error: Uncaught Error: Class 'Aws\AwsClient' not found in /home/xcddwtvp/public_html/aws-sdk-php/Aws/Emr/EmrClient.php:122 Stack trace: #0 {main} thrown in /home/xcddwtvp/public_html/aws-sdk-php/Aws/Emr/EmrClient.php on line 122