Fatal error: Uncaught Error: Class "Aws\AwsClient" not found in /home/alotaishan/public_html/ots001/vendor/aws/aws-sdk-php/src/Iot/IotClient.php:520 Stack trace: #0 {main} thrown in /home/alotaishan/public_html/ots001/vendor/aws/aws-sdk-php/src/Iot/IotClient.php on line 520