SAP ABAP Program LE20DF02 (General Check Routines) is using

• Class (1)
• Data Element (1)
• Table/Structure Field (112)
• Function Module (15)
• Interface (1)
• Message Class (4)
• Message Number (14)
• Class Method (1)
• Table (19)

#	Object Type	Object Name	Object Description	Note
1	Message Class	AH	IS-U billing (master data)
2	Message Class	AJ	Billing program
3	Message Class	E9	General IS-U Error Messages
4	Message Class	EG	IS-U device management