Index: block_edit/block_edit.module
===================================================================
--- block_edit/block_edit.module	(revision 3)
+++ block_edit/block_edit.module	(working copy)
@@ -218,7 +218,7 @@ function block_edit_preprocess_node(&$va
  */
 function block_edit_preprocess_page(&$vars, $hook) {
   $block_edit_tabs = variable_get('block_edit_tabs', array_keys(node_get_types('names')));
-  if ($block_edit_tabs[$vars['node']->type] === 0) {
+  if (empty($vars['node']) || $block_edit_tabs[$vars['node']->type] === 0) {
     $vars['tabs'] = '';
   }
 }