AccessDeniedUser: arn:aws:sts::701984500217:assumed-role/s3readonly-api-gateway/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws:s3:::ats-webhost-sarithm" because no identity-based policy allows the s3:ListBucket actionF9M26K8A052KW559L66WQNTwWiT5P/vEy20+5aFbvyZDwXe5tqA5wJbTYODUX8xIwxMiWKh0JD9jgHOeEVLEVhBXZLLhVMmjrLr5xxjnhLls9lhSvmHnKebjMR0=