Index: vhUnitTest/APPS/EC/impl/RefSessieDataBepaler/EncryptDecryptRefSessieData/Test.cls.xml
===================================================================
diff -u -r43227 -r50917
--- vhUnitTest/APPS/EC/impl/RefSessieDataBepaler/EncryptDecryptRefSessieData/Test.cls.xml	(.../Test.cls.xml)	(revision 43227)
+++ vhUnitTest/APPS/EC/impl/RefSessieDataBepaler/EncryptDecryptRefSessieData/Test.cls.xml	(.../Test.cls.xml)	(revision 50917)
@@ -14,6 +14,17 @@
 ]]></Implementation>
 </Method>
 
+<Method name="Test: GeefRefSessieData (=Decrypt) smijt een exceptie indien ongeldig Ref">
+<Implementation><![CDATA[
+	#dim Substrings As %ListOfDataTypes = ##class(TECH.ListUtils).CreateListOfDataTypes("Decrypteer-fout","de Ref 'UT_RefNietDecrypteerbaar' kon niet ge-decrypt worden")
+	Do ..ZetVerwachteExceptie(##class(Tools.Test.VerwachteExceptie).%New(##class(TECH.Exceptions.InvalidInputException).%ClassName(1),Substrings))
+
+	#dim OngeldigeRef As %String = "UT_RefNietDecrypteerbaar"
+	Set RefSessieDataBepaler = ##class(APPS.EC.impl.RefSessieDataBepaler).%New()
+	Do RefSessieDataBepaler.GeefRefSessieData(OngeldigeRef)
+]]></Implementation>
+</Method>
+
 <Method name="TestGeefEncryptedRefSessieDataSFSVoorVHShop">
 <Implementation><![CDATA[
 	Set RSD = ##class(APPS.EC.dto.RefSessieData).%New()
Index: APPS/EC/impl/RefSessieDataBepaler.cls.xml
===================================================================
diff -u -r49956 -r50917
--- APPS/EC/impl/RefSessieDataBepaler.cls.xml	(.../RefSessieDataBepaler.cls.xml)	(revision 49956)
+++ APPS/EC/impl/RefSessieDataBepaler.cls.xml	(.../RefSessieDataBepaler.cls.xml)	(revision 50917)
@@ -14,7 +14,14 @@
 	}
 	
 	#dim RefArray As %String
-	Do DecryptRef^cspBasis.TBX.Lib(EncryptedRefSessieData,.RefArray)
+	Try {
+		Do DecryptRef^cspBasis.TBX.Lib(EncryptedRefSessieData,.RefArray)
+	}
+	Catch {
+		Set Exceptie = ##class(TECH.Exceptions.InvalidInputException).%New("Decrypteer-fout: de Ref '"_EncryptedRefSessieData_"' kon niet ge-decrypt worden.")
+		Do Exceptie.VoegToeInnerExceptie(##class(TECH.ExceptionHandler).Catch())
+		Do ##class(TECH.ExceptionHandler).Throw(Exceptie)
+	}
 	
 	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"))_"'")