Constraints between geometry in the family can behave unpredictably on parameter modification. To make the family reliable, constrain geometry to levels, reference planes, or reference lines.

public static FailureDefinitionId UnstableConstraintInFamily { get; }

Public Shared ReadOnly Property UnstableConstraintInFamily As FailureDefinitionId
	Get

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