--- modules/panels.skinr.inc.orig	2010-04-01 21:42:19.000000000 +1100
+++ modules/panels.skinr.inc	2010-04-01 21:51:40.000000000 +1100
@@ -351,8 +351,8 @@
  */
 function panels_skinr_preprocess_index_handler(&$vars) {
   $index = '';
-  if ($vars['pane']->style['style'] == 'skinr') {
-    $index =  'display-'. $vars['pane']->did .'-pane-'. $vars['pane']->pid;
+  if (isset($vars['pane']->style['style']) && $vars['pane']->style['style'] == 'skinr') {
+    $index = 'display-'. $vars['pane']->did .'-pane-'. $vars['pane']->pid;
   }
   return $index;
 }