Index: buddylist.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/buddylist/buddylist.module,v
retrieving revision 1.68.2.37
diff -u -r1.68.2.37 buddylist.module
--- buddylist.module	15 Oct 2007 16:57:06 -0000	1.68.2.37
+++ buddylist.module	10 Dec 2007 12:52:47 -0000
@@ -663,6 +663,9 @@
     global $user;
     $uid = $user->uid;
   }
+  
+  if ((!$uid) || (is_object($uid))) return NULL; // don't even try
+  
   if (!isset($buddies[$key][$uid])) {
     $buddies[$key][$uid] = array();
     $sql = 'SELECT b.buddy, u.name, u.mail, u.uid FROM {buddylist} b