Highlighted infilling element could not have thickness different from its host because it spans multiple faces.

public static FailureDefinitionId InfillNoThicknessMultiface { get; }

Public Shared ReadOnly Property InfillNoThicknessMultiface As FailureDefinitionId
	Get

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