parent B-tree node of <num>:<num>:<num> is at <num>:<num>:<num>

  Explanation:  An error occurred at a lower level in the  B-tree.
  The B-tree node at the given logical dbkey is in the path in the
  B-tree from the root to a node where an error occurred.

  User Action:  Use this information to reconstruct the path  from
  the  root  to  the node where the problem happened and determine
  the location of the problem.  Rebuild the index and  verify  the
  database again.