Log out issue (Front end user)

When I navigate to a private page, i am shown the login form as i would expect, this then shows me a login status in my nav (code below) once logged in

The button i am presented with states log out but it does not work, I do not know how to fix this can anyone help?

how can i log out a front end user?

i have inserted this code into my nav bar
{% if grav.user.username %}
<li><i class="fa fa-lock"></i> {% include 'partials/login-status.html.twig' %}</li>
{% endif %}

which will load this from the login plugin
<span class="login-status">
{% if grav.user.authenticated %}
<strong>{{ grav.user.fullname ?: grav.user.username }}</strong>, <a class="logout" href="{{ uri.addNonce((base_url_relative ~ uri.path)|trim('/') ~ '/task' ~ config.system.param_sep ~ 'login.logout', 'logout-form', 'logout-nonce')|e }}">{{ 'PLUGIN_LOGIN.BTN_LOGOUT'|t }}</a>
{% endif %}
</span>

and on my page i added
access:
site.ambassador: true
login:
visibility_requires_access: true

on further checking there is no href value on the link

<a class="logout" href="">Logout</a>

very weird, i changed themes it gave me a link on the href, it seems to be if i place it in the base template it works in my include nav templete it fails, it doesnt recognise config.plugins.login.enabled

OK finally found the fix / issue

{% if config.plugins.login.enabled and grav.user.username %}

i was using this code to access the status and I placed this within the nav_loop macro and it would return config.plugins.login.enabled as null

once removed from the macro and placed outside of this loop the config.plugins.login.enabled is accessible