Traceback (most recent call last):
  File "/usr/sbin/update-apt-xapian-index", line 102, in <module>
    indexer.incrementalUpdate()
  File "/usr/lib/pymodules/python2.7/axi/indexer.py", line 646, in incrementalUpdate
    self.updateIndex(dbpath)
  File "/usr/lib/pymodules/python2.7/axi/indexer.py", line 625, in updateIndex
    db.replace_document(outdated[pkg.name], self.get_document_from_apt(pkg))
DatabaseError: Modifications failed (DatabaseCorruptError: Failed to unlink /var/lib/apt-xapian-index/index.3/synonym.baseB: File o directory non esistente), and cannot set consistent table revision numbers: Couldn't reread base A