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 actionA15DN7MKT9ATHF5625CGC5lsHgY6zxx3J8dneMCW+pSEK2hoZPO4TTD2Dj9GF4gksAx4Gjy5zLY+tSnLwtA7p/gdgH/az2Pnu7CovFbnKFYBxVea4YkCPwx9zY0=