AccessDeniedUser: arn:aws-us-gov:sts::196640475515:assumed-role/preview-s3-api-gateway-role/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws-us-gov:s3:::preview-piam.dev.usgov.security.cisco-1966" because no identity-based policy allows the s3:ListBucket actionB5RXHKDEA60Z1A7Km8n3QOCo8h0bsOhXPZ3IdaQ+faDulQMaEZbqx16q1BMmORBY60HI1p2ytX9LjKbvrpE1lpEqcpjX6CHsYKQG04XbwUgDulVJfWZHDOexPS0=