date or time format is not set up correctly

  Explanation:   You  entered  a  SHOW  DATE_FORMAT  command,  but
  LIB$DT_FORMAT is not properly defined.

  User Action:  Check the definition of LIB$DT_FORMAT.  If it is a
  process  logical,  it  should  be  changed.  If it is a group or
  system logical, contact your system manager to change it.