Bootstrap 4 fieldset for row errors

Author: konradkozaczenko

Resources/views/Form/bootstrap_4_horizontal_layout.html.twig

@@ -49,6 +49,7 @@ col-sm-2
             <div class="{{ block('form_group_class') }}">
                 {{- form_widget(form, widget_attr) -}}
                 {{- form_help(form) -}}
+                {{- form_errors(form) -}}
             </div>
         </div>
 {##}</fieldset>