Erreur de code introuvable php

Bonjour,
Le probléme dans se code php c'est koi par ce que la je ne trouve pas
<?php include('.../config/session.php');
if (isset($_POST['inscription']) && $_POST['inscription'] == 'Inscription') {
// on se connecte à MySQL
$db = mysql_connect('localhost', 'xxxxxx', 'xxxxxxx');

// on sélectionne la base
mysql_select_db('xxxxx',$db);
$log = FilterText($_POST['log']);
$point = FilterText($_POST['point']);
$loguser=$_SESSION['login'];
$check = mysql_query("SELECT ID,nom,prenom,login,adresse,tel,mail,ban,ftp,point,rank FROM utilisateur WHERE login='$loguser'");
$results = mysql_num_rows($check);

if($results > 0 && is_numeric($log)){

$row = mysql_fetch_assoc($check);
$log = $row['login'];


mysql_query("UPDATE utilisateur SET point = point + ".$point." WHERE login='$loguser'") or die(mysql_error());
$msg = "L'utilisateur " . $loguser . " a bien recu " . $point . " points.";

@SendMusData('UPRC' . $query);


} else {

$msg = "Le login semble faire reference a un utilisateur qui existe pas";

}

}
?>
<form action="payuser.php" method="post">
<table style="border-width: 1px; width: 709px; height: 62px; background-color: rgb(255, 255, 204)" border="0">
<tbody>
<tr>
<td style="border-style: none; border-width: medium;" bordercolor="#666666" align="center" width="214" height="24">
Login :</td>
<td style="border-style: none; border-width: medium;" bordercolor="#666666" align="center" width="371" height="24"><input name="nom" value="<?php if (isset($_POST['log'])) echo htmlentities(trim($_POST['log'])); ?>" size="20" type="text"></td>
<td style="border-style: none; border-width: medium;" bordercolor="#666666" align="center" width="110" height="24"> </td>
</tr>
<tr>
<td style="border-style: none; border-width: medium;" align="center" width="214">
Point :</td>
<td style="border-style: none; border-width: medium;" align="center" width="371"><input name="prenom" value="<?php if (isset($_POST['point'])) echo htmlentities(trim($_POST['point'])); ?>" size="20" type="text"></td>
<td style="border-style: none; border-width: medium;" align="center" width="110"> </td>
</tr>
</tbody>
</table>
<p align="center"><br>
<input name="inscription" value="Payer" type="submit"><br>
</p>
<br>
</form>