SAP ABAP Message Number PO - 561 (PO) is used by

• Function Module (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	RSPO_CALL_OMS_DQUERY_SAP	Abfragen der Queue eines R/3-Gerätes mit Koppelart 'E'	SPOO	BASIS	SAP_BASIS
2	Function Module	RSPO_POPUP_DEVICE_EVENTS	Ereignisse zu einem Ausgabegerät im Hostspool	SPOO	BASIS	SAP_BASIS
3	Function Module	RSPO_POPUP_DEVICE_INFO	Information on Output Device in Host Spool	SPOO	BASIS	SAP_BASIS