Index: engines/file.php
===================================================================
--- engines/file.php	(revision 1271)
+++ engines/file.php	(working copy)
@@ -12,7 +12,7 @@ class fileCache extends Cache {
     global $conf;
     
     // Assign the path on the following order: bin specific -> default specific -> /tmp/filepath
-    $this->fspath = $conf['cacherouter'][$bin]['path'];
+    $this->fspath = isset($conf['cacherouter'][$bin]) ? $conf['cacherouter'][$bin]['path'] : '';
     if (!isset($conf['cacherouter'][$bin]['path'])) {
       if (isset($conf['cacherouter']['default']['path'])) {
         $this->fspath = $conf['cacherouter']['default']['path'];