diff --git a/core/modules/ckeditor/templates/ckeditor-settings-toolbar.html.twig b/core/modules/ckeditor/templates/ckeditor-settings-toolbar.html.twig
index 18d3558..daf1301 100644
--- a/core/modules/ckeditor/templates/ckeditor-settings-toolbar.html.twig
+++ b/core/modules/ckeditor/templates/ckeditor-settings-toolbar.html.twig
@@ -68,6 +68,7 @@
             <ul class="ckeditor-buttons"></ul>
           </li>
         {% endfor %}
+        </ul>
       </div>
     </div>
   </fieldset>
diff --git a/index.php b/index.php
index 55fc947..e01d405 100644
--- a/index.php
+++ b/index.php
@@ -8,6 +8,10 @@
  * See COPYRIGHT.txt and LICENSE.txt files in the "core" directory.
  */
 
+error_reporting(E_ALL);
+ini_set('display_errors', TRUE);
+ini_set('display_startup_errors', TRUE);
+
 use Drupal\Core\DrupalKernel;
 use Drupal\Core\Site\Settings;
 use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;