Allows to check and show Contact Form errors.
{% if contact_request.errors.size > 0 %}
<div class="alert alert-danger">
<p>{% t "errors.template.body" %}</p>
<ul>
{% for message in contact_request.full_messages %}
<li>{{ message }}.</li>
{% endfor %}
</ul>
</div>
{% endif %}
Available attributes: