New user login should work now... again...

application/models/tables/People.php

@@ -35,6 +35,9 @@ class People extends Nmc_Db_Table
         $where = $db->quoteInto('userName=?', $userName);
         $user = Users::getInstance()->fetchRow($where);
 
+        if (!$user) {
+            return null;
+        }
         $userKey = $user->getPrimaryKey();
         $person = $this->findOne($userKey);
         return $person;