Fatal error: Uncaught Error: Class 'Aws\Api\Parser\AbstractRestParser' not found in /data/newpmo/web/plugin/aws_s3/Aws/Api/Parser/RestXmlParser.php:12 Stack trace: #0 {main} thrown in /data/newpmo/web/plugin/aws_s3/Aws/Api/Parser/RestXmlParser.php on line 12