Fatal error: Uncaught Error: Class "Aws\AwsClient" not found in /home/demohost/hospital.demohost.in/vendor/aws/aws-sdk-php/src/Emr/EmrClient.php:118 Stack trace: #0 {main} thrown in /home/demohost/hospital.demohost.in/vendor/aws/aws-sdk-php/src/Emr/EmrClient.php on line 118