templates/error/500.html
{% extends "base.html" %}
{% block navbar %}
<div class="container">
{% include "navbar.html" %}
</div>
{% endblock %}
{% block content %}
<div class="text-center">
<h3>500 Internal Server Error</h3>
Something bad happened behind the scenes. This error has been logged. Please try again later.
</div>
{% endblock %}