changed the handler404 and handler500 to a custom view, passing scope to get proper formed urls when displaying 404 and 500 pages
<div id="menu-user">
{% if user.is_authenticated %}
{% if user.get_full_name %}
<strong>{{ user.get_full_name }} <{{ user.username }}></strong>
{% else %}
<strong>{{ user.username }}</strong>
{% endif %} |
<a href="/{{params.scope }}/account/">My profile</a> |
{% if user.is_superuser %}
<a href="/admin/">Administer</a> |
{% endif %}
<a href="/{{params.scope }}/logout/">Logout</a>
{% else %}
<a href="/{{params.scope }}/login/">Login</a>
{% endif %}
</div>