SAP ABAP Message Number IO - 201 (IO) is used by

• Function Module (16)
• Program (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	LIPW1F47	Notification output	IQSM	APPL	SAP_APPL
2	Program	LIPW4F73	LIPW4F73	IERI	EA-PLM	EA-APPL