SAP ABAP Message Number OA - 401 (OA) is used by

• Class (5)
• Function Module (12)
• Program (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_ALINK_CONNECTION Method: FIND_BY_KEY	ArchiveLink Links	SAOP	BASIS	SAP_BASIS
2	Class	CL_ALINK_CONNECTION Method: UPDATE	ArchiveLink Links	SAOP	BASIS	SAP_BASIS
3	Class	CL_ALINK_CONNECTION Method: CHECK	ArchiveLink Links	SAOP	BASIS	SAP_BASIS
4	Class	CL_ALINK_CONNECTION Method: DELETE	ArchiveLink Links	SAOP	BASIS	SAP_BASIS
5	Class	CL_ALINK_CONNECTION Method: DELETE_BY_KEY	ArchiveLink Links	SAOP	BASIS	SAP_BASIS