Cond(IsNullOrEmpty(DeliveryNotePositionDeliveryDetails.SerialNumber), "", " s/n: " + JTL_DirectQuery("SELECT TOP(1) cSeriennr + ISNULL(' (' + NULLIF(cBeschreibung1, '') + ')', '') FROM dbo.tLagerArtikel WHERE kLieferscheinPos = " + Str$(DeliveryNotePosition.InternalId) + " AND cSeriennr = '" + DeliveryNotePositionDeliveryDetails.SerialNumber + "'"))