SAP ABAP Message Number N3 - 542 (N3) is used by

• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	ISH_UPDATE_NKSP	IS-H: Update IV item (NKSP)	NPAS	IS-H	IS-H
2	Function Module	ISH_VERBUCHER_NKSP	IS-H Verbuchen KÜ-Positionen	NPAS	IS-H	IS-H