SAP ABAP Message Number MSG_CL_ER - 157 (MSG_CL_ER) is used by

• Class (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_SR_INBOUND_CLASSIF_HANDLER Method: CHECK_CLASSIFICATION_AVAILABLE	Services Registry : Handler for classifications of objects	SUDDICLIENT_NEW	BASIS	SAP_BASIS
2	Class	CL_SR_INBOUND_CLASSIF_SYS Method: ENSURE_VALIDITY	Services Registry : Classification Meta Data	SUDDICLIENT_NEW	BASIS	SAP_BASIS
3	Class	CL_SR_INBOUND_HELPER_SERVICES Method: IF_SR_INBOUND_HELPER_SERVICES~GET_CLASSIF_SYSTEM_VALUES	Services Registry inbound - helper class	SUDDICLIENT_NEW	BASIS	SAP_BASIS
4	Class	CL_SR_INBOUND_HELPER_SERVICES2 Method: IF_SR_INBOUND_HELPER_SERVICES2~GET_CLASSIF_SYSTEM_VALUES	Services Registry: Helper Services for CL_SERVICES_REGISTRY	SUDDICLIENT_NEW	BASIS	SAP_BASIS