SAP ABAP Message Number VW - 688 (VW) is used by

• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	SD_DELIVERY_FOR_TRNS_VARCHK	Lieferung selektieren für Transport, Check der Varianten	VTR	APPL	SAP_APPL
2	Function Module	SD_SCD_SHIPMENT_VARIANT_CHECK	Shipment information check variant	VTRA	APPL	SAP_APPL