SAP ABAP Program LLTRTF21 (Include LLTRTF21) is using

• Table/Structure Field (20)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	LTIF_XRFN	Reference Structure for Host Confirmation
2	Table	LTKPL	Task pool
3	Table	LTRM_SRCDST	Definition of source/dest node