SAP ABAP Program LCJSSF1N (GRPKZ) is using

• Table/Structure Field (8)
• Function Module (1)
• Message Class (1)
• Message Number (2)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Message Number	GRPG - 013	Requirements grouping indicator not allowed
2	Message Number	GRPG - 018	WBS element & is already designated a grouping WBS element