Error !

KeyError: u'menu'

<%namespace name="menu" file="menu" inheritable="True" /> <%namespace name="partials" file="partials" inheritable="True" /> <% if site.REQUEST['HTTP_USER_AGENT'].find('MSIE') != -1: site.REQUEST.RESPONSE.setHeader("X-UA-Compatible", "IE=edge,chrome=1") %>
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/template.py, line 380:
del sys.modules[self.module_id]
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/template.py, line 322:
module = self._compile_from_file(path, filename)
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/lookup.py, line 321:
**self.template_args)
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/lookup.py, line 256:
return self._load(srcfile, uri)
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/runtime.py, line 793:
return lookup.get_template(uri)
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/runtime.py, line 560:
calling_uri)
templates/mareano/site, line 1:
<%namespace name="menu" file="menu" inheritable="True" />
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/runtime.py, line 781:
gen_ns(context)
templates/mareano/article, line 1:
<%namespace file="/partials" name="partials" import="*"/>
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/runtime.py, line 805:
ret = template.module._mako_inherit(template, context)
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/runtime.py, line 863:
(inherit, lclcontext) = _populate_self_namespace(context, tmpl)
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/runtime.py, line 829:
**_kwargs_for_callable(callable_, data))
/var/limecms/mareano/mareano02/lib/python2.6/site-packages/Mako-1.0.4-py2.6.egg/mako/template.py, line 445:
return runtime._render(self, self.callable_, args, data)
/var/limecms/mareano/mareano02/mareano-inst-2/Products/LimeTemplate/LimeTemplate.py, line 702:
html = mytemplate.render(object=object, site=site, request=self.REQUEST, extra=extra.get('kwargs', None), **extra)