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 action12V5PC08DAQA85WR7BiYtVQUviJWADwCpmBLEppO42S6y6lY1Fqo4AJuoPkHewbuy+aC82P48J3oLY/2j7BUZW8jg2BoafHIGO8nwHGZypLxlSEl