[Spambayes] corrupt database

[Chris Goldsmith]

please help i'm get the following error when trying to train on my latest batch of incoming spam thru the web interface. 

 500 Server error
Traceback (most recent call last):

  File "C:\download\spambayes-1.0a5\spambayes\Dibbler.py", line 453, in found_terminator
    getattr(plugin, name)(**params)

  File "C:\download\spambayes-1.0a5\spambayes\ProxyUI.py", line 309, in onReview
    targetCorpus.takeMessage(id, sourceCorpus)

  File "C:\download\spambayes-1.0a5\spambayes\Corpus.py", line 201, in takeMessage
    self.addMessage(msg)

  File "C:\download\spambayes-1.0a5\spambayes\FileCorpus.py", line 143, in addMessage
    Corpus.Corpus.addMessage(self, message)

  File "C:\download\spambayes-1.0a5\spambayes\Corpus.py", line 136, in addMessage
    obs.onAddMessage(message)

  File "C:\download\spambayes-1.0a5\spambayes\storage.py", line 552, in onAddMessage
    self.train(message)

  File "C:\download\spambayes-1.0a5\spambayes\storage.py", line 560, in train
    self.bayes.learn(message.tokenize(), self.is_spam)

  File "C:\download\spambayes-1.0a5\spambayes\classifier.py", line 276, in learn
    self._add_msg(wordstream, is_spam)

  File "C:\download\spambayes-1.0a5\spambayes\classifier.py", line 411, in _add_msg
    self._wordinfoset(word, record)

  File "C:\download\spambayes-1.0a5\spambayes\storage.py", line 257, in _wordinfoset
    self.db[word] = record.__getstate__()

  File "C:\Python23\lib\shelve.py", line 130, in __setitem__
    self.dict[key] = f.getvalue()

  File "C:\Python23\lib\bsddb\__init__.py", line 90, in __setitem__
    self.db[key] = value

DBRunRecoveryError: (-30982, 'DB_RUNRECOVERY: Fatal error, run database recovery -- fatal region error detected; run recovery')
 Also when i try to run the which_database.py to confirm which database I'm running I get Pickle is available.Dumbdbm is available.Dbhash is available.Bsddb[3] is available.Your storage hammie.db is a: NonePlease help any advice or suggestiosna re appreciated.