000810 * validate   Unit of Material
000820 tables: t006, t006a.
000830   select single * from t006
000840   where     msehi = user_data-zmeins.
000850   if sy-subrc = 0.
000860     select single * from t006a
000870     where msehi = t006-msehi
000880      and   spras = sy-langu.
000890     if sy-subrc ne 0.
000900       error = 'x'.
000910       write:/ 'Unit of Measure does not exist', user_data-zmeins.
000920     endif.
000930   else.
000940     error = 'x'.
000950     write:/ 'Unit of Measure does not exist', user_data-zmeins.
000960   endif.