SAP ABAP Program LTB91FNV (Include LTB91FNV) is using

• Table/Structure Field (20)
• Function Module (4)
• Message Class (1)
• Message Number (2)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Table	ATR1	Check table for reference categories
2	Table	INRI	Number ranges function module interface structure
3	Table	INRIV	Number range interval structure, transfer for function mod.
4	Table	NRIV	Number Range Intervals
5	Table	REFH	References between CO object numbers, header table
6	Table	REFON	References between object numbers (CO object no.)