SAP ABAP Message Number GRPG - 100 (GRPG) is used by

• Function Module (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	GRPG_CHECK_DISGR_SETTING	Check whether requirem. grouping is activated for MRP group or not	GRPG	APPL	SAP_APPL
2	Function Module	GRPG_FIND_GRPNR_WITH_DISGR	Ermittelt das Dispo-PSP-Element über Dispogruppe/Werk	GRPG	APPL	SAP_APPL
3	Function Module	GRPG_FIND_GRPNR_WITH_MATNR	Determine grouping WBS element with material/plant	GRPG	APPL	SAP_APPL
4	Function Module	GRSV_UPDATE_GRPGV_CHECK	Konsistenzprüfungen bei Update der GRPGV	GRPG	APPL	SAP_APPL