You need to complete the previous step before attempting this step.
{% if self.title %}

{{ self.title.content }}

{% endif %} {% for name, c in named_children %} {{c.body_html|safe}} {% endfor %} {% if self.display_submit %}
{% if self.mode == 'assessment' %} {% endif %} {% if self.mode == 'assessment' %} {% endif %}
{% endif %}