Index: WSimpl/Unishop/Login/ParameterBepaler.cls.xml
===================================================================
diff -u -r41617 -r42992
--- WSimpl/Unishop/Login/ParameterBepaler.cls.xml	(.../ParameterBepaler.cls.xml)	(revision 41617)
+++ WSimpl/Unishop/Login/ParameterBepaler.cls.xml	(.../ParameterBepaler.cls.xml)	(revision 42992)
@@ -53,7 +53,16 @@
 	Do ..ConverteerRefNaarRefSessieData(Ref)
 	Set ..DomeinVerwerker = ..RefSessieData.Verwerker
 	
-	Do:$length(DataOpt) ..ConverteerDataOptNaarKlantSessieData(DataOpt)
+	Try {
+		Do:$length(DataOpt) ..ConverteerDataOptNaarKlantSessieData(DataOpt)
+	}
+	Catch {
+		#dim Exception As TECH.Exceptions.Exception = ##class(TECH.ExceptionHandler).Catch()
+		#dim Message As %String = "Fout bij Decrypt van DataOpt voor domein '"_..RefSessieData.Verwerker_"' (Modus:"_..RefSessieData.WebshopModus_" / Klant:"_..RefSessieData.KlantID_" / Offerte:"_..RefSessieData.OfferteID_")"
+		Set NewException = ##class(TECH.Exceptions.InvalidInputException).%New(Message)
+		Do NewException.VoegToeInnerExceptie(Exception)
+		Do ##class(TECH.ExceptionHandler).Rethrow(NewException)
+	}
 	
 	#dim WebshopSessionService As APPS.EC.WebshopSessionService = ##class(APPS.ApplicatieContext).Instance().GeefECommerceAPI().GeefWebshopSessionService()
 	#dim PersonalityID As %String = WebshopSessionService.GeefPersonalityIDVoorDomeinVerwerker(..DomeinVerwerker)