[horde] Error on line 225

[Lostboy]

I walked through the Installation guide "IMP 3.1 on RedHat 7.2" and I get htdocs/horde/config/horde.php on line 225 when I try and just got to the default horde page :/ This copy of code is starting the code on line 225.

Thanks
Lost


 $conf['cache']['driver'] = 'none';

// Any parameters that the caching driver needs.
$conf['cache']['params'] = array();
// $conf['cache']['params']['dir'] = '/var/cache/horde';


/**
 ** Mailer
 **/

// What method should we use for sending mail? Valid options are
// currently 'sendmail' and 'smtp'.
$conf['mailer']['type'] = 'sendmail';