Error de clase redeclarada con phplib

[lenz]

Ahora me tira este error.

Estes el config_habitatio;

<?
include_once("prepend.php3");
$root = getenv("HTTP_HOST");

IF (ereg("200.5.7.27",$root)){
$dirCfi="c/";
$dirForo="c/fs/";
$dirExp="es/";
}elseif(ereg("es",$root)){
$dirCfi="";
$dirForo="12.18.1.11/";
$dirExp="exs/";
$dirForo="re.cd.org.ar/";
}else{
$dirCfi="";
$dirForo="es.d.rg.ar/";
$dirExp="ofs.cd.org.ar/";
}

//include("template.inc");
//include_once("session.inc");
//include_once("local.php");
//include_once("prepend.php3");
$template = New Template(".", keep);
?>

Warning: Cannot modify header information - headers already sent by
(output started at /www/htdocs/cfi/config_habitatio.php:38) in
/usr/local/lib/php/phplib/session.php on line 389
Warning: Cannot modify header information - headers already sent by
(output started at /www/htdocs/cfi/config_habitatio.php:38) in
/usr/local/lib/php/phplib/session.php on line 114
Warning: Cannot modify header information - headers already sent by
(output started at /www/htdocs/cfi/config_habitatio.php:38) in
/usr/local/lib/php/phplib/session.php on line 398