SAP ABAP Message Number CN - 321 (CN) is used by

• Function Module (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	CJCK_CHANGE_FUNC_AREA	Prüfungen zum Funktionsbereich	CN_PSP_OPR	APPL	SAP_APPL
2	Function Module	CO2H_NW_SET_FUNC_AREA	sets functional area	COIF	APPL	SAP_APPL
3	Function Module	CO2O_ACT_SET_FUNC_AREA	sets functional area	COIF	APPL	SAP_APPL