SAP ABAP Message Class EMOLC (EM: messages for object list checks (olc)) is used by

• Class (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_EM_OLC_DD02L Method: CHECK_STRINGKEY	OLC: consistency of TABUs with DDIC	SEXP_OLC_CHECKS	BASIS	SAP_BASIS
2	Class	CL_EM_OLC_DD02L Method: CHECK_OBJECT	OLC: consistency of TABUs with DDIC	SEXP_OLC_CHECKS	BASIS	SAP_BASIS
3	Class	CL_EM_OLC_DD02L Method: CHECK_KEY	OLC: consistency of TABUs with DDIC	SEXP_OLC_CHECKS	BASIS	SAP_BASIS
4	Class	CL_EM_OLC_FACTORY	OLC: get instance and register result event handlers	SEXP_OLC	BASIS	SAP_BASIS