grav-theme-future2021/templates/error.html.twig

{% extends 'partials/base.html.twig' %}

{% block menu %}
  {% include 'partials/sidebar_right.html.twig' %}
{% endblock %}

{% block content %}
<article class="post">
    <header>
        <div class="title"> 
            <h2><span class="icon fa-exclamation-triangle"></span> Error {{ page.header.http_response_code }}</h2>
            <p>{{ page.content|raw }}</p>
        </div>
    </header>
</article>
{% endblock %}