SAP ABAP Message Number PO - 554 (PO) is used by

• Function Module (10)
• Program (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	RSPO_CALL_OMS_DQUERY	Query Queue of OMS Device	SPOO	BASIS	SAP_BASIS
2	Function Module	RSPO_CANCEL_JOB	Delete Spool Job	SPOO	BASIS	SAP_BASIS
3	Function Module	RSPO_DELETE_LOMS_EVENTS	Deleting device events for LOM devices	SPOO	BASIS	SAP_BASIS
4	Function Module	RSPO_OMS_CHECK_COMMANDS	Check Operating System Commands for Logical OMS	SPOO	BASIS	SAP_BASIS
5	Function Module	RSPO_OMS_CHECK_SPWP_CMDS	Überprüfen der Betriebssystemkommandos für den SPWP zu einem logischen OMS	SPOO	BASIS	SAP_BASIS
6	Function Module	RSPO_OMS_CHECK_USER_CMDS	Überprüfen der interaktiven Betriebssystemkommandos zu einem logischen OMS	SPOO	BASIS	SAP_BASIS
7	Function Module	RSPO_QUERY_JOB	Statusabfrage eines Spool-Jobs	SPOO	BASIS	SAP_BASIS
8	Function Module	SXMI_XOM_PRINTER_CHANGE	BC-XOM Extension: Change an OMS Printer	SPOO	BASIS	SAP_BASIS
9	Function Module	SXMI_XOM_PRINTER_CREATE	BC-XOM Extension: Create an OMS Printer	SPOO	BASIS	SAP_BASIS
10	Function Module	SXMI_XOM_ROMS_DELETE	BC-XOM Extension: Delete an ROMS	SPOO	BASIS	SAP_BASIS