SAP ABAP Message Class UPE1 (Messages: Link to External Applications) is used by

• Program (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	LUPE_ABCTOP	LUPE_ABCTOP	UPE	SEM-BW	SEM-BW
2	Program	LUPE_SDTOP	LUPE_SDTOP	UPE	SEM-BW	SEM-BW