SQL$HELP72.HLB  —  Errors  COSI_ERRORS, FORMAT
  invalid or corrupt media format

  Explanation:  The media or disk file is in an invalid format.

  User Action:  This message indicates a media or hardware
  problem.  Check the system error log and consult the hardware
  support group for further information.  Reinstalling Oracle Rdb
  will resolve the problem.  However, if the error regularly
  occurs, faulty hardware is almost certainly the cause.
Close Help