SAP ABAP Message Number CO - 121 (CO) is used by

• Function Module (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	CO_ZR_HEADER_RELEASE	CIM order: Release order at header level	CO	APPL	SAP_APPL
2	Function Module	CO_ZR_HEADER_RELEASE_NEW	CIM order: Release order at header level	CO	APPL	SAP_APPL
3	Function Module	CO_ZR_OPERATION_RELEASE_NEW	Release an operation with objects that are subordinate to it in hierarchy	CO	APPL	SAP_APPL
4	Function Module	CO_ZR_OPERATION_RELEASE_WB	Freigabe eines Vorgangs durch Workbench	CO	APPL	SAP_APPL