SAP ABAP Message Number ECM - 503 (ECM) is used by

• Class (14)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_ECM_ORD Method: CHANGE	Change Order	ECM_OBJECTS	ABA	SAP_ABA
2	Class	CL_ECM_ORD Method: CONSTRUCTOR	Change Order	ECM_OBJECTS	ABA	SAP_ABA
3	Class	CL_ECM_ORD Method: LOCK	Change Order	ECM_OBJECTS	ABA	SAP_ABA
4	Class	CL_ECM_ORD Method: DELETE	Change Order	ECM_OBJECTS	ABA	SAP_ABA
5	Class	CL_ECM_REQ Method: REQ_WORK_ADD	Engineering Change Request	ECM_OBJECTS	ABA	SAP_ABA
6	Class	CL_ECM_REQ Method: CONSTRUCTOR	Engineering Change Request	ECM_OBJECTS	ABA	SAP_ABA
7	Class	CL_ECM_REQ Method: LOCK	Engineering Change Request	ECM_OBJECTS	ABA	SAP_ABA
8	Class	CL_ECM_REQ Method: CHANGE	Engineering Change Request	ECM_OBJECTS	ABA	SAP_ABA
9	Class	CL_ECM_REQ Method: REQ_REQ_ADD	Engineering Change Request	ECM_OBJECTS	ABA	SAP_ABA
10	Class	CL_ECM_REQ Method: SET_LOCK	Engineering Change Request	ECM_OBJECTS	ABA	SAP_ABA
11	Class	CL_ECM_TSK Method: CHANGE	Change Task	ECM_OBJECTS	ABA	SAP_ABA
12	Class	CL_ECM_TSK Method: CHANGE_TASK_OBJADM_EXTKEY	Change Task	ECM_OBJECTS	ABA	SAP_ABA
13	Class	CL_ECM_TSK Method: SET_USED_FLAG	Change Task	ECM_OBJECTS	ABA	SAP_ABA
14	Class	CL_ECM_TSK Method: LOCK	Change Task	ECM_OBJECTS	ABA	SAP_ABA