SAP ABAP Program LKERRF13 (LKERRF13) is using

• Table/Structure Field (11)
• Function Module (5)
• Message Number (1)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	CEDST	Structure of selection table for segment table/level
2	Table	CEST4	Segment table (CO-PA)
3	Table	CFBSF01	Table of fields required (drill down)