Uncaught Server Exception

Traceback (most recent call last):
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/website/render.py", line 39, in render
    data = render_page_by_language(path)
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/website/render.py", line 133, in render_page_by_language
    return render_page(path)
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/website/render.py", line 149, in render_page
    return build(path)
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/website/render.py", line 156, in build
    return build_page(path)
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/website/render.py", line 175, in build_page
    html = frappe.render_template(context.source, context)
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/utils/jinja.py", line 69, in render_template
    return get_jenv().from_string(template).render(context)
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/jinja2/environment.py", line 1008, in render
    return self.environment.handle_exception(exc_info, True)
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/jinja2/environment.py", line 780, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "<template>", line 1, in top-level template code
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/./templates/web.html", line 1, in top-level template code
    {% extends base_template_path %}
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/./templates/base.html", line 69, in top-level template code
    {% block content %}{% endblock %}
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/frappe/./templates/web.html", line 47, in block "content"
    {%- block page_content -%}{%- endblock -%}
  File "<template>", line 278, in block "page_content"
  File "/home/restro/haweli/env/local/lib/python2.7/site-packages/jinja2/environment.py", line 430, in getattr
    return getattr(obj, attribute)
UndefinedError: 'Restaurant' is undefined