Fatal error: Uncaught Error: Class "Aws\Api\Serializer\RestSerializer" not found in /home/eui9b4xs/public_html/dfy/vendor/aws/aws-sdk-php/src/Api/Serializer/RestXmlSerializer.php:10 Stack trace: #0 {main} thrown in /home/eui9b4xs/public_html/dfy/vendor/aws/aws-sdk-php/src/Api/Serializer/RestXmlSerializer.php on line 10