SAP ABAP Message Class KO (Master data for CO orders) is used by

• Class (14)
• Function Module (34)
• PINF (2)
• Program (164)
• SOBJ (1)
• Table (65)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_CRMCO_COST_ESTIMATE_GEN Method: CHECK_WRAP_OBJECT	Costing of Service Processes	CRMCO_COSTING	PI_APPL	SAP_FIN
2	Class	CL_ERP_CO_OLC_TOOLS Method: ORDER_EXISTS	OAA: Common methods for processing blocks	ERP_CO_OLC	APPL	SAP_APPL
3	Class	CL_FCOM_CR_REQUEST_ISR_IMPL Method: SRC1_CHECK_OBJECT_EXISTENCE	Change Request Implementation of APB ISR	FCOM_MASTERDATA_CORE	APPL	SAP_FIN
4	Class	CL_FCOM_ORDER_WRAPPER Method: SAVE_ORDER	Wrapper Class of Order	FCOM_MASTERDATA_CORE	APPL	SAP_FIN
5	Class	CL_FCOM_ORDER_WRAPPER Method: PREPARE_ADDITIONAL_FIELDS	Wrapper Class of Order	FCOM_MASTERDATA_CORE	APPL	SAP_FIN
6	Class	CL_FCOM_ORDER_WRAPPER Method: READ_ORDER_WITH_TEXT	Wrapper Class of Order	FCOM_MASTERDATA_CORE	APPL	SAP_FIN
7	Class	CL_FCOM_ORDER_WRAPPER Method: SETTLEMENT_RULE_CALL	Wrapper Class of Order	FCOM_MASTERDATA_CORE	APPL	SAP_FIN
8	Class	CL_FCOM_QISR_SRB Method: DET_BUDGET_SETTINGS	ISR Scenarios for Budget	FCOM_MONITOR	EA-FIN	EA-FIN
9	Class	CL_IAOM_COST_COLLECTOR Method: LOCK	CO Cost Collector	IAOM	PI_APPL	SAP_APPL
10	Class	CL_JO_WTY_PRICING Method: VALIDATE_USER_INPUT	Pricing Abstract Class	ISAUTO_WTY_MP	EA-ISSE	EA-APPL
11	Class	CL_KOR_ST_ORDER Method: IF_HR_SEARCHTOOL_GS~EXECUTE_SEARCH	Searchtool Order	KAUF	APPL	SAP_FIN
12	Class	CL_R3_OLR3_INTERNAL_ORDER Method: IF_OLR3_PROXY~CHECK_CONSISTENCY	Object Link, Internal Order	R3_OBJECTLINK_R3	PI_APPL	SAP_APPL
13	Class	CL_REEX_CO_SERVICES Method: GET_COSTOBJECT	Interface to CO	RE_EX_CO	EA-FIN	EA-FIN
14	Class	CRMCO_COST_ESTIMATE	Costing of Service Processes	CRMCO_COSTING	PI_APPL	SAP_FIN