Message Number list used by SAP ABAP Function Module LTBN_SRV_ZONES_GET (Get all the zones that serve a specific zone (by functionality))
SAP ABAP Function Module LTBN_SRV_ZONES_GET (Get all the zones that serve a specific zone (by functionality)) is using
# Object Type Object Name Object Description Note
     
1 Message Number  LTBN - 013 Functionality &1 is not valid; use &2 or &3