This view gets displayed when the user tries to access something forbidden.

<% if current_user %>

You should inform the user that they are logged in as <%= current_user.exuid %> and suggest them to <%= link_to 'sign out', session_path, method: :delete %> and sign in as a different user.

<% else %>

The user will only see this if JavaScript is disabled. Ask them to <%= link_to 'sign in', new_session_path %>.

<% end %>