Index: APPS/Halux/AAP/DnaCodeService.cls.xml
===================================================================
diff -u -r62022 -r62063
--- APPS/Halux/AAP/DnaCodeService.cls.xml	(.../DnaCodeService.cls.xml)	(revision 62022)
+++ APPS/Halux/AAP/DnaCodeService.cls.xml	(.../DnaCodeService.cls.xml)	(revision 62063)
@@ -234,7 +234,9 @@
 	While DnaCodeIterator.HasNext() {
 		Set DnaCode = DnaCodeIterator.Next()
 		If ..MagDnaCodeBijgewerktWorden(DnaCode, ProductID, Herafdruk, IsKlantEtiketSpaceStep) {
-			Set DnaCode.SequentieNummer = SequentieNummer
+			If $$$HasLength(SequentieNummer) {
+				Set DnaCode.SequentieNummer = SequentieNummer
+			}
 			Set DnaCode.AfdrukTijdstip = ..DateTimeApi.CurrentHorolog()
 			Do ..DnaCodeRepository.Bewaar(DnaCode)
 			Set Result = DnaCode.DnaCode