SAP ABAP Message Number SCWN - 018 (SCWN) is used by

• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	SCWN_NOTE_UNPACK	SCWN_NOTE_UNPACK	SCWN	BASIS	SAP_BASIS
2	Function Module	SCWN_UNPACK_DELIV_EVENT_CONT	SCWN_UNPACK_DELIV_EVENT_CONT	SCWN	BASIS	SAP_BASIS