Fatal error: Uncaught Error: Class "WPMailSMTP\Vendor\Aws\Api\Serializer\QueryParamBuilder" not found in /home/dcg/public_html/wp-content/plugins/wp-mail-smtp-pro/vendor_prefixed/aws/aws-sdk-php/src/Api/Serializer/Ec2ParamBuilder.php:10 Stack trace: #0 {main} thrown in /home/dcg/public_html/wp-content/plugins/wp-mail-smtp-pro/vendor_prefixed/aws/aws-sdk-php/src/Api/Serializer/Ec2ParamBuilder.php on line 10