Invalid reference pointer <num>:<num>:<num> for duplicate B-tree
  node <num>:<num>:<num>

  Explanation:  The reference pointer dbkey for a duplicate B-tree
  node  is corrupted.  The reference pointer dbkey must be greater
  than the last duplicate record dbkey.

  User Action:  Ascertain if the  index  is  corrupt  by  manually
  verifying  the  owner node after dumping that page.  Rebuild the
  index if it is corrupt.