Sayfalama Hatası Yardım

 <thead>
<tr>
<th><center>Kullanıcı Adı</center></th>
<th><center>Şifre</center></th>
<th><center>Ip</center></th>
<th><center>İşlem</center></th>
</tr>
<?php
if(!isset($_REQUEST['siparisler_durum']))$_REQUEST['siparisler_durum']=1;
$siparislersor=$db->prepare("SELECT * from siparisler where kullanici_id = ? AND siparisler_durum='$_REQUEST[siparisler_durum]'");
$siparislersor->execute([$kullanici_id]);
$say=0;
?>
</thead>

<tbody>
<?php while($siparislercek=$siparislersor->fetch(PDO::FETCH_ASSOC)) { $say++ ?>
<tr>
<td><center> <?php echo $siparislercek['siparisler_web'] ?></center></td>
<td><center> <?php echo $siparislercek['siparisler_adsoyad'] ?></center></td>
<td><center> <?php echo $siparislercek['siparisler_telefon'] ?></center></td>
<td><center><a href="duzenle.php?siparisler_id=<?php echo $siparislercek['siparisler_id'] ?>">
<button class="btn btn-info col-md-12">Düzenle</button>
</a></center></td>

</tr>
<?php } ?>
</tbody>