Mod_python error: "PythonHandler django.core.handlers.modpython"

Traceback (most recent call last):

  File "/usr/lib/python2.3/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/core/handlers/modpython.py", line 189, in handler
    return ModPythonHandler()(req)

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/core/handlers/modpython.py", line 162, in __call__
    response = self.get_response(request)

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/core/handlers/base.py", line 108, in get_response
    return callback(request, **param_dict)

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/views/defaults.py", line 80, in page_not_found
    return http.HttpResponseNotFound(t.render(RequestContext(request, {'request_path': request.path})))

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/template/context.py", line 103, in __init__
    self.update(processor(request))

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/core/context_processors.py", line 49, in i18n
    context_extras['LANGUAGE_BIDI'] = translation.get_language_bidi()

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/utils/translation/__init__.py", line 82, in get_language_bidi
    return real_get_language_bidi()

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/utils/translation/__init__.py", line 43, in delayed_loader
    return g['real_%s' % caller](*args, **kwargs)

  File "/var/www/vhosts/highwheelrecords.com/highwheel-django/current/django/utils/translation/__init__.py", line 43, in delayed_loader
    return g['real_%s' % caller](*args, **kwargs)

KeyError: 'real_delayed_loader'