=== modified file 'modules/upload/upload.module'
--- modules/upload/upload.module	2007-12-24 10:43:21 +0000
+++ modules/upload/upload.module	2007-12-30 23:40:15 +0000
@@ -323,7 +323,7 @@ function upload_nodeapi(&$node, $op, $te
       break;
 
     case 'search result':
-      return is_array($node->files) ? format_plural(count($node->files), '1 attachment', '@count attachments') : NULL;
+      return isset($node->files) && is_array($node->files) ? format_plural(count($node->files), '1 attachment', '@count attachments') : NULL;
 
     case 'rss item':
       if (is_array($node->files)) {