django/templates/base/form_errors.html

{% if form.errors %}
<div class="ui info message">
    <ul class="list">

        {% for field in form %}
        {% for error in field.errors %}
        <li class="item">{{ error|escape }}</li>
        {% endfor %}
        {% endfor %}
        {% for error in form.non_field_errors %}
        <li class="item">{{ error|escape }}</li>
        {% endfor %}
    </ul>
</div>

{% endif %}