BuiltInFailures.RoomFailures.RoomsInSameRegionRooms Property

Multiple [Room] are in the same enclosed region. The correct area and perimeter will be assigned to one [Room] and the others will display "Redundant [Room]." You should separate the regions, delete the extra [Room], or move them into different regions.

public static FailureDefinitionId RoomsInSameRegionRooms { get; }