[GRO] Infants in cribs were not cared for by nanny while parents were off lot

My parent sims came back from a grand ball to find that both twin infants were not properly placed in the cribs (when focus was on the infants, on clicking on the crib they appeared to be in, the choices were "Get carried here..." and "Get put to bed by..." Both were extremely tired and middling hungry. The nanny that had been hired was clearly incompetent.