doorman/templates/500.html
{% extends "layout.html" %}
{% block page_title %}Server error{% endblock %}
{% block content %}
<div class="jumbotron">
<div class="text-center">
<h1>500</h1>
<p>Sorry, something went wrong on our system. Don't panic, we are fixing it! Please try again later.</p>
</div>
</div>
{% endblock %}