Message Number list used by SAP ABAP Program RWWKLASS (Plant selection via classification)
SAP ABAP Program RWWKLASS (Plant selection via classification) is using
# Object Type Object Name Object Description Note
     
1 Message Number  CL - 014 Class type "&" not defined
2 Message Number  WN - 300 Please enter selection criterion
3 Message Number  WN - 301 No & could be selected
4 Message Number  WN - 302 No valid characteristic selected for &
5 Message Number  WN - 899 Include SAP Note 412256 With Maximum Number &1