searxng/searx/templates/simple/elements/engines_msg.html

<div id="engines_msg">
  {% if not results and not answers %}
  <details class="sidebar-collapsable" open>
  {% else %}
  <details class="sidebar-collapsable">
  {% endif %}
    <summary class="title" id="engines_msg-title">{{ _('Messages from the search engines') }}</summary>
    <div class="dialog-error" role="alert">
      {{ icon_big('warning') }}
      <div>
        <p>
          <strong>{{ _('Error!') }}</strong>
          {{ _('Engines cannot retrieve results') }}:
        </p>
        {%- for engine_name, error_type in unresponsive_engines -%}
          <p>{{- engine_name }} (
            <a href="{{ url_for('stats', engine=engine_name|e) }}"
               title="{{ _('View error logs and submit a bug report') }}">
               {{- error_type -}}
            </a>
            ){{- '' -}}
          </p>
        {%- endfor -%}
      </div>
    </div>
  </details>
</div>