getAllSubtypeOf segfaults on some Buildings models

[perost]

Description

getAllSubtypeOf segfaults on some Buildings models.

Steps to Reproduce

loadModel(Buildings);
getAllSubtypeOf(Buildings.Fluid.Movers.Data.Generic,Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow,false,false,false);
getErrorString();