Index: APPS/EC/impl/RefSessieDataBepaler.cls.xml
===================================================================
diff -u -r43226 -r47663
--- APPS/EC/impl/RefSessieDataBepaler.cls.xml	(.../RefSessieDataBepaler.cls.xml)	(revision 43226)
+++ APPS/EC/impl/RefSessieDataBepaler.cls.xml	(.../RefSessieDataBepaler.cls.xml)	(revision 47663)
@@ -16,6 +16,10 @@
 	#dim RefArray As %String
 	Do DecryptRef^cspBasis.TBX.Lib(EncryptedRefSessieData,.RefArray)
 	
+	If $$$Not(##class(APPS.EC.enu.WebShopVerwerker).IsValid($G(RefArray("VERW")))) {
+		Do ##class(TECH.Exceptions.InvalidInputException).Throw("Decrypteer van de Ref '"_EncryptedRefSessieData_"' geeft geen geldige data (VERW: '"_$G(RefArray("VERW"))_"'")
+	}
+
 	Set RefSessieData.Verwerker = RefArray("VERW")
 	If RefSessieData.Verwerker = ##class(APPS.EC.enu.WebShopVerwerker).VHEPN() {
 		Set RefSessieData.KlantID = ##class(DOM.DomeinContext).Instance().GeefLegacyPartijAPI().GeefKlantPartijID($G(RefArray("KLNR")))