SAP ABAP Function Module CO2O_ACT_SET_BUSINESS_AREA (sets the business area) is using

• Data Element (1)
• Table/Structure Field (23)
• Function Module (4)
• Message Class (2)
• Message Number (4)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Message Class	CN	Network messages
2	Message Class	CO	PPC order processing messages