Index: draggableviews.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/draggableviews/draggableviews.module,v
retrieving revision 1.6.2.26
diff -u -p -r1.6.2.26 draggableviews.module
--- draggableviews.module	19 Aug 2009 14:17:58 -0000	1.6.2.26
+++ draggableviews.module	25 Aug 2009 16:57:34 -0000
@@ -139,6 +139,10 @@ function draggableviews_theme() {
   foreach ($views AS $view) {
     $view->init_display();
     foreach ($view->display AS $display_id => $display) {
+      if (!is_object($display->handler)) {
+        drupal_set_message('View '. $view->name .', display '. $display_id .' is broken.', 'error');
+        continue;
+      }
       if (strcmp($display->handler->get_plugin('style')->definition['handler'], 'draggableviews_plugin_style_draggabletable') == 0) {
         $array['draggableviews_view_draggabletable_form_'. $view->name .'_'. $display_id] = array(
           'template' => 'draggableviews-view-draggabletable-form',