Problem in development installation

in development installation i face this error ,

 Traceback (most recent call last):
      File "/home/frappe/frappe-bench/apps/frappe/frappe/website/render.py", line 32, in render
        data = render_page_by_language(path)
      File "/home/frappe/frappe-bench/apps/frappe/frappe/website/render.py", line 101, in render_page_by_language
        return render_page(path)
      File "/home/frappe/frappe-bench/apps/frappe/frappe/website/render.py", line 117, in render_page
        return build(path)
      File "/home/frappe/frappe-bench/apps/frappe/frappe/website/render.py", line 124, in build
        return build_page(path)
      File "/home/frappe/frappe-bench/apps/frappe/frappe/website/render.py", line 140, in build_page
        html = frappe.render_template(context.source, context)
      File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/jinja.py", line 50, in render_template
        return get_jenv().from_string(template).render(context)
      File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/jinja2/environment.py", line 989, in render
        return self.environment.handle_exception(exc_info, True)
      File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/jinja2/environment.py", line 754, in handle_exception
        reraise(exc_type, exc_value, tb)
      File "<template>", line 1, in top-level template code
      File "/home/frappe/frappe-bench/apps/frappe/frappe/./templates/web.html", line 1, in top-level template code
        {% extends base_template_path %}
      File "/home/frappe/frappe-bench/apps/frappe/frappe/./templates/base.html", line 66, in top-level template code
        {% block content %}{% endblock %}
      File "/home/frappe/frappe-bench/apps/frappe/frappe/./templates/web.html", line 46, in block "content"
        {%- block page_content -%}{%- endblock -%}
      File "<template>", line 52, in block "page_content"
      File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/jinja2/environment.py", line 408, in getattr
        return getattr(obj, attribute)
    UndefinedError: 'ldap_settings' is undefined

Try bench update

We are encountering the same error. We will try bench update and revert back if it works. Thank you, @netchampfaris