SAP ABAP Program UMB_ST_NAVF01 (Navigation tree) is using

• Class (8)
• Data Element (7)
• Table/Structure Field (37)
• Function Module (2)
• Message Class (1)
• Message Number (1)
• Class Method (18)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Message Number	UMB - 020	BSC internal error