SAP ABAP Data Element MSGXX (Output area for error message) is used by

• Class (2)
• Program (1)
• Table (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_EXM_IM_MD_EXPORT_TREE Method: IF_EX_MD_EXPORT_TREE~EXPORT_TREE	Example Implementation BAdI MD_EXPORT_TREE	MD03	APPL	SAP_APPL
2	Class	CL_MSR_TRC_HELPER Method: CONDENSE_APPLICATION_LOG	Helper class for multistep returns tracking	MSR_TRACKING	APPL	SAP_APPL