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 action8HJZQ07E8BKAPDGZVZnkaY1vW2CLQqF0DaCH4N3CedpJtpqYFc+h/qCFFhHu99gu7onCO9Ri8ZGOK6Qgis1UBTND07U=