templates/bundles/TwigBundle/Exception/error500.html.twig
{% extends 'base.html.twig' %}
{% block body %}
<main class="col-sm-12 justify-content-center">
<table class="table text">
<tr class="tabletop">
<td class="text-center"><b>Internal Server Error</b></td>
</tr>
<tr>
<td class="text-center">
<p>
The server encountered an error and could not complete your request.
</p>
<p>
If the problem persists, please contact us and mention this error message and the query that caused it.
</p>
</td>
</tr>
</table>
</main>
{% endblock %}