Warning: require_once(propel/om/BaseObject.php): failed to open stream: No such file or directory in D:\Apache2.2\htdocs\safexchange\rbac\engine\classes\model\om\BaseAuthenticationSource.php on line 3

Fatal error: require_once(): Failed opening required 'propel/om/BaseObject.php' (include_path='.;C:\php\pear') in D:\Apache2.2\htdocs\safexchange\rbac\engine\classes\model\om\BaseAuthenticationSource.php on line 3