1 files changed, 2 insertions, 0 deletions
diff --git a/_nav/lib.php b/_nav/lib.php
index 55151034c..0cf33b47a 100644
--- a/_nav/lib.php
+++ b/_nav/lib.php
@@ -18,6 +18,8 @@
 */
 // definition
 
+require_once('php-mo.php');
+
 class NCache
 {
     function __construct() { }