Fatal error:  Uncaught Error: Class "Aws\Api\Serializer\RestSerializer" not found in /var/www/html/inner/Update Guide/v1.4.2/Script/assets/import/spaces/aws/Aws/Api/Serializer/RestXmlSerializer.php:10
Stack trace:
#0 {main}
  thrown in /var/www/html/inner/Update Guide/v1.4.2/Script/assets/import/spaces/aws/Aws/Api/Serializer/RestXmlSerializer.php on line 10