SAP ABAP Program LCOKOF91 (NK_EXTERN) is using

• Data Element (4)
• Table/Structure Field (22)
• Function Module (6)
• Message Class (2)
• Message Number (6)
• Table (6)

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