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 actionQE2FK6KJ3RDMVVJSWCNqLkqHuyN0yFiyClp2EO+zNQHyHkWD0vR+jHBkPL7tmLa1rUzv2SGJqLD2yviN0bM6eRLzSq+j/YyfmZvOk2i+ZWBcfP+B