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 action7958VFWEMEECD5C2K2g50bKd49I7Kl+wjE2DA7cwnZbb/qCU3hB1ibCKgWfgjZEFS85rAp/NUNQGTVBrRoWwxYTfTig=