SAP ABAP Program LBONRTOP (LBONRTOP) is using

• Table/Structure Field (1)
• Message Class (1)
• Program (2)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	AFAB	Network - Relationships
2	Table	IONR	General Object Number
3	Table	ONR00	General Object Number