Problème session AddType x-mapp-php5 .php

Bonjour,

J'ai créer un site hébergé chez 1and1 et quand je mets AddType x-mapp-php5 .php dans le fichier .htaccess j'ai un problème avec mes sessions.


Erreur session:

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /homepages/29/d363490744/htdocs/page_connexion.php:3) in /homepages/29/d363490744/htdocs/menu.php on line 3

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /homepages/29/d363490744/htdocs/page_connexion.php:3) in /homepages/29/d363490744/htdocs/menu.php on line 3