virtaal another error

/usr/lib/python2.7/site-packages/virtaal/views/mainview.py:524: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  self.main_window.show()
ERROR:root:MainController.open_file(filename="/usr/share/virtaal/tutorial.pot", uri="file:///usr/share/virtaal/tutorial.pot")
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/virtaal/controllers/maincontroller.py", line 205, in open_file
    self.store_controller.open_file(filename, uri, forget_dir=forget_dir)
  File "/usr/lib/python2.7/site-packages/virtaal/controllers/storecontroller.py", line 225, in open_file
    raise ValueError(_('The file contains nothing to translate.'))
ValueError: Dosya çevrilecek bir şey içermiyor.
ERROR:root:MainController.open_file(filename="/home/atilla/svn-mandriva/msec/tr.po", uri="")
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/virtaal/controllers/maincontroller.py", line 205, in open_file
    self.store_controller.open_file(filename, uri, forget_dir=forget_dir)
  File "/usr/lib/python2.7/site-packages/virtaal/controllers/storecontroller.py", line 225, in open_file
    raise ValueError(_('The file contains nothing to translate.'))
ValueError: Dosya çevrilecek bir şey içermiyor.
ERROR:root:MainController.open_file(filename="/home/atilla/svn-mandriva/libDrakX/tr.po", uri="file:///home/atilla/svn-mandriva/libDrakX/tr.po")
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/virtaal/controllers/maincontroller.py", line 205, in open_file
    self.store_controller.open_file(filename, uri, forget_dir=forget_dir)
  File "/usr/lib/python2.7/site-packages/virtaal/controllers/storecontroller.py", line 220, in open_file
    self.store = StoreModel(filename, self)
  File "/usr/lib/python2.7/site-packages/virtaal/models/storemodel.py", line 61, in __init__
    self.load_file(fileobj)
  File "/usr/lib/python2.7/site-packages/virtaal/models/storemodel.py", line 147, in load_file
    self.update_stats(filename=filename)
  File "/usr/lib/python2.7/site-packages/virtaal/models/storemodel.py", line 171, in update_stats
    stats = statsdb.StatsCache().filestatestats(filename,  self._trans_store, extended=True)
  File "/usr/lib/python2.7/site-packages/translate/storage/statsdb.py", line 670, in filestatestats
    fileid = self._getfileid(filename, store=store)
  File "/usr/lib/python2.7/site-packages/translate/storage/statsdb.py", line 144, in decorated_f
    result = f(self, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/translate/storage/statsdb.py", line 423, in _getfileid
    return self._cachestore(store, realpath, mod_info)
  File "/usr/lib/python2.7/site-packages/translate/storage/statsdb.py", line 144, in decorated_f
    result = f(self, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/translate/storage/statsdb.py", line 475, in _cachestore
    self._cacheunitstats(store.units, fileid)
  File "/usr/lib/python2.7/site-packages/translate/storage/statsdb.py", line 144, in decorated_f
    result = f(self, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/translate/storage/statsdb.py", line 457, in _cacheunitstats
    unitvalues)
IntegrityError: units.fileid may not be NULL