Fatal error: Uncaught Error: Class "Aws\Api\Serializer\QueryParamBuilder" not found in /home/itwerx/public_html/vendor/aws/aws-sdk-php/src/Api/Serializer/Ec2ParamBuilder.php:10
Stack trace:
#0 {main}
thrown in /home/itwerx/public_html/vendor/aws/aws-sdk-php/src/Api/Serializer/Ec2ParamBuilder.php on line 10