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 actionHM7TBVX9MAG5RZFWjdHFMeLVtf/YmavFRFFsKwQ69qrJeIiK0703xjaP9zYIMM0Mm/f9Y/gd09rHCc3IGRJ3TxDRNP8=