There are undefined Rooms in the model! Recommend creating a Room schedule and checking the Area parameter of each Room for warnings.

public static FailureDefinitionId UndefinedRooms { get; }

Public Shared ReadOnly Property UndefinedRooms As FailureDefinitionId
	Get

public:
static property FailureDefinitionId^ UndefinedRooms {
	FailureDefinitionId^ get ();
}