setting up imp

[Ramón Alvarez Rayo]

i have problems setting up imp, i get the following error:

Fatal error: HordeSession is not a class in /usr/apache/php/page.inc on line 18

this is mi page.inc:

    1 <?php
    2 /*
    3  * Session Management for PHP3
    4  *
    5  * Copyright (c) 1998,1999 NetUSE GmbH
    6  *                    Boris Erdmann, Kristian Koehntopp
    7  *
    8  * $Id: page.inc,v 1.1.2.2 2000/10/10 13:27:52 chuck Exp $
    9  *
   10  */
   11
   12 function page_open($feature) {
   13   global $_PHPLIB;
   14
   15   # enable sess and all dependent features.
   16   if (isset($feature["sess"])) {
   17     global $sess;
   18     $sess = new $feature["sess"];
   19     $sess->start();
   20
   21     # the auth feature depends on sess
   22     if (isset($feature["auth"])) {
   23       global $auth;
   24
   25       if (!isset($auth)) {
   26         $auth = new $feature["auth"];
   27       }
   28       $auth->start();
   29 .....

please give some ads for solve this problem.

thanks


Saludos fraternos,

***********************************************************************
Ramón Alvarez Rayo              Contacto Tecnico - Telematix
Telefono: (505) 2785523 Fax: (505) 2784012
************************************************************************