URL /load-tag-wiki-text/ causes 500 error

edit

Originally found via Google crawler, but also occurs when I open /load-tag-wiki-text/ in my browser.

Askbot errorlog:

    /usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py TIME: 2012-09-17 05:27:16,030 MSG: base.py:handle_uncaught_exception:209 Internal Server Error: /load-tag-wiki-text/
Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py", line 111, in get_response
    response = callback(request, *callback_args, **callback_kwargs)
  File "/usr/local/lib/python2.6/dist-packages/askbot/utils/decorators.py", line 65, in wrapper
    return view_func(request, *args, **kwargs)
  File "/usr/local/lib/python2.6/dist-packages/askbot/views/commands.py", line 488, in load_tag_wiki_text
    tag = get_object_or_404(models.Tag, id = request.GET['tag_id'])
  File "/usr/local/lib/python2.6/dist-packages/django/utils/datastructures.py", line 256, in __getitem__
    raise MultiValueDictKeyError("Key %r not found in %r" % (key, self))
MultiValueDictKeyError: "Key 'tag_id' not found in <QueryDict: {}>"