SAP ABAP Message Number CN - 894 (CN) is used by

• Function Module (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	CO2O_ACTIVITY_CHANGE_WITH_REFE	Network: change an activity with respect to its original	COIF	APPL	SAP_APPL
2	Function Module	CO2O_ACTIVITY_CREATE_WITH_REFE	Network: create activity with reference	COIF	APPL	SAP_APPL
3	Function Module	CO2O_OPR_CREATE_WITH_REFE	Create operations with reference (OLC)	COIF	APPL	SAP_APPL