Arkadaşlar merhaba, herşey güzel ama datatable kullanıyorum sayfalamada hata aldım. Nerede yanlış yapıyorum yardımcı olabilir misiniz? Kodları aşağıya bırakıyorum..

<?php include "header.php";?>

 
<!--main content start-->
<section class="main-content-wrapper">
            <div class="pageheader dark">
                <h1>Veri Takibi</h1>
                <div class="breadcrumb-wrapper hidden-xs">
                    <span class="label">Şuan buradasınız:</span>
                    <ol class="breadcrumb">
                        <li><a href="index.php">İşlemler Menüsü</a>
                        </li>
                        <li>Veri Yönetimi</li>
                        <li class="active">Veri İşlemleri</li>
                    </ol>
                </div>
            </div>
            <section id="main-content" class="animated fadeInUp">
                <div class="row">
                    <div class="col-md-12">
                        <div class="panel panel-default">
                            <div class="panel-heading">
                                <h3 class="panel-title">Data Tables</h3>
                                <div class="actions pull-right">
                                    <i class="fa fa-expand"></i>
                                    <i class="fa fa-chevron-down"></i>
                                    <i class="fa fa-times"></i>
                                </div>
                            </div>
                            <?php 
    if ($_GET['durum']=="ok") {
        echo "İşlem başarılı";
    } elseif ($_GET['durum']=="no") {
        echo "İşlem başarısız";
    }
    ?>
                            <div class="panel-body">
                                <table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">
                                    <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]);
                                        $say=0;
                                        while($siparislercek=$siparislersor->fetch(PDO::FETCH_ASSOC)) { $say++?>
                                    </thead>

                                    <tbody>
                                        <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>
                                </table>

                            </div>
                        </div>
                    </div>
                </div>
            </section>
        </section>
        <!--main content end-->
    </section>
    <script>
    $(document).ready(function() {
        $('#example').dataTable();
    });
    </script>
<?php include "footer.php";?>