specified command is obsolete, please use RMU equivalent

  Explanation:  You requested that an RDO OPEN, CLOSE  or  RECOVER
  statement  be  executed,  perhaps  with an older version of RDO.
  These statements are no longer supported.

  User  Action:   Use  the  RMU/OPEN,  RMU/CLOSE  or   RMU/RECOVER
  instead.