An Exception Has Occurred

Python Traceback

Traceback (most recent call last):
  File "/var/lib/python-support/python2.3/viewcvs.py", line 3235, in main
    request.run_viewcvs()
  File "/var/lib/python-support/python2.3/viewcvs.py", line 360, in run_viewcvs
    self.view_func(self)
  File "/var/lib/python-support/python2.3/viewcvs.py", line 1659, in view_log
    show_revs = request.repos.filelog(request.path_parts, rev, options)
  File "/var/lib/python-support/python2.3/vclib/bincvs/__init__.py", line 193, in filelog
    filtered_revs = _file_log(revs, tags, default_branch, rev)
  File "/var/lib/python-support/python2.3/vclib/bincvs/__init__.py", line 703, in _file_log
    taginfo['HEAD'] = _add_tag('HEAD', taginfo['MAIN'].co_rev)
  File "/var/lib/python-support/python2.3/vclib/bincvs/__init__.py", line 373, in _add_tag
    tag = Tag(tag_name, revision.string)
AttributeError: 'NoneType' object has no attribute 'string'