currently modified area file fields must be committed or  rolled
  back

  Explanation:  You attempted to issue  an  EXIT  command  without
  either  committing or rolling back currently modified fields for
  area files.

  User  Action:   Issue  a  COMMIT  command   to   write   current
  modifications  back  to  the  database  or a ROLLBACK command to
  ignore all current modifications.  Then issue an EXIT command.