Dbkey   of   duplicate   hash   bucket   for   data   node    is
  <num>:<num>:<num>

  Explanation:  This message gives the dbkey of the duplicate hash
  bucket  so  the integrity of the index can be verified manually,
  if necessary.

  User Action:  Ascertain if the  index  is  corrupt  by  manually
  verifying  related system records and hash buckets after dumping
  pages of the database.  If the index is corrupt, rebuild it.