SAP ABAP Program MF70BF09 (Activity Editing) is using

• Table/Structure Field (66)
• Function Module (6)
• Message Class (1)
• Message Number (2)
• Table (9)

#	Object Type	Object Name	Object Description	Note
1	Message Number	T1 - 079	Transaction belongs to activity category &
2	Message Number	T1 - 080	Activity category & not defined for this transaction