SAP ABAP TYPE GRPG (GRPG) is using

• Table/Structure Field (50)
• Table (17)

#	Object Type	Object Name	Object Description	Note
1	Table	COSS	CO Object: Cost Totals for Internal Postings
2	Table	GRPGA	Assignment of WBS elements to MRP WBS elements
3	Table	IONR	General Object Number
4	Table	MDPS	Item in MRP document
5	Table	MESG	Message collector
6	Table	MSPR	Project Stock
7	Table	ONR00	General Object Number
8	Table	PBED	Independent Requirements Data
9	Table	PBIM	Independent Requirements for Material
10	Table	PEGDATA	Interface structure for static pegging
11	Table	PEGOB	Peg (master data of the CO object)
12	Table	PEGOBLOG	Reporting structure for pegging process
13	Table	PEGOBQTY	Pegging objects and assigned quantities structur
14	Table	PEGQTY	Assigned quantity of pegging objects
15	Table	PGWIL	Work item list for static pegging
16	Table	PRPS	WBS (Work Breakdown Structure) Element Master Data
17	Table	RESB	Reservation/dependent requirements