SAP ABAP Program RSARFCRD (Transactional RFC) is using

• Class (1)
• Data Element (1)
• Table/Structure Field (70)
• Function Module (15)
• Message Class (3)
• Message Number (25)
• Class Method (1)
• Program (9)
• Table (11)
• Transaction Code (1)

#	Object Type	Object Name	Object Description	Note
1	Message Class	BT	Background processing messages
2	Message Class	SR	RFC utilities
3	Message Class	SY	ABAP/4 system messages