Notice php

Bonjour,

j'ai une notice

Notice: Trying to get property of non-object in /var/www/legtux.org/users/poulet/modules/forum/function.inc.php on line 102

Notice: Trying to get property of non-object in /var/www/legtux.org/users/poulet/modules/forum/function.inc.php on line 106
pagination


voilà les 2 lignes

		$pseudo = sex2color(id2sex($res->forum_membre_id),$res->forum_membre_id);

		

		return "par " . $pseudo . "<br />".format_temps($res->post_time);