SAP ABAP Program RSDB2TOPO (ALV tree control: build up the hierarchy tree) is using

• Class (9)
• Data Element (2)
• Table/Structure Field (39)
• Function Module (10)
• Message Class (3)
• Message Number (2)
• Class Method (11)
• Table (10)

#	Object Type	Object Name	Object Description	Note
1	Message Number	00 - 208	&
2	Message Number	SDB2U - 000	&1 &2 &3 &4