SAP ABAP Message Number MQ - 121 (MQ) is used by

• Program (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	EWUSTDJ1	Include for EMU Job Scheduling	EWU	APPL	SAP_APPL
2	Program	LEWU4F01	Include LEWU4F01	EWU	APPL	SAP_APPL