Bug appear when searching a key word (have done that before without issue)

[AJ NOURI]

This is zim 0.65
Platform: posix
Locale: en_GB UTF-8
FS encoding: UTF-8
Python: (2, 7, 9, 'final', 0)
Gtk: (2, 24, 25)
Pygtk: (2, 24, 0)
Zim revision is:
  branch: zim-trunk
  revision: 805 <email address hidden>
  date: 2015-11-01 15:42:45 +0100

======= Traceback =======
  File "/usr/lib/pymodules/python2.7/zim/gui/searchdialog.py", line 92, in _search
    self.results_treeview.search(string)
  File "/usr/lib/pymodules/python2.7/zim/gui/searchdialog.py", line 177, in search
    self.selection.search(self.query, callback=self._search_callback)
  File "/usr/lib/pymodules/python2.7/zim/search.py", line 254, in search
    self.update(self._process_group(query.root, selection, callback))
  File "/usr/lib/pymodules/python2.7/zim/search.py", line 339, in _process_group
    self._process_from_index(term, myscope, scoring=10) )
  File "/usr/lib/pymodules/python2.7/zim/search.py", line 407, in _process_from_index
    for path in generator:
  File "/usr/lib/pymodules/python2.7/zim/index.py", line 1282, in _walk
    cursor.execute('select * from pages where parent = ? order by sortkey, basename', (path.id,))
InterfaceError: Error binding parameter 0 - probably unsupported type.