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 actionAEZXY5RS6AHN0MV0kJXw7kjrE/0fgSp9K25wtPtJRsl0i9M0LwNMMMThtpafe+ew4Bz7Qr0Rlia0kgt3V4MS0I3QAVg=