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

Traceback (most recent call last):

  File "/usr/lib64/python2.4/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/usr/lib64/python2.4/site-packages/django/core/handlers/modpython.py", line 177, in handler
    return ModPythonHandler()(req)

  File "/usr/lib64/python2.4/site-packages/django/core/handlers/modpython.py", line 150, in __call__
    response = self.get_response(request)

  File "/usr/lib64/python2.4/site-packages/django/core/handlers/base.py", line 126, in get_response
    return callback(request, **param_dict)

  File "/home/mario/projekte/django/kimmobilien/immobilien/views.py", line 20, in error500
    return render_to_response('errorpage.html', {'msg': msg})

  File "/usr/lib64/python2.4/site-packages/django/shortcuts/__init__.py", line 10, in render_to_response
    return HttpResponse(loader.render_to_string(*args, **kwargs))

  File "/usr/lib64/python2.4/site-packages/django/template/loader.py", line 101, in render_to_string
    t = get_template(template_name)

  File "/usr/lib64/python2.4/site-packages/django/template/loader.py", line 79, in get_template
    source, origin = find_template_source(template_name)

  File "/usr/lib64/python2.4/site-packages/django/template/loader.py", line 72, in find_template_source
    raise TemplateDoesNotExist, name

TemplateDoesNotExist: errorpage.html