Index: imagecache.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/imagecache/imagecache.module,v
retrieving revision 1.19.2.15.2.10
diff -u -r1.19.2.15.2.10 imagecache.module
--- imagecache.module	19 Apr 2007 23:03:55 -0000	1.19.2.15.2.10
+++ imagecache.module	20 Apr 2007 08:15:50 -0000
@@ -246,6 +246,9 @@
     $file = _imagecache_file_load($item['fid']);
     $item = array_merge($item, $file);
   }
+  if (!count($file)) {
+    return '';
+  }
   $rules = _imagecache_get_presets();
   $formatter_check = preg_replace('/_linked$/', '', $formatter);
   if (in_array($formatter_check, (array) $rules)) {