Merhaba. Elimde şöyle bir kod var;

<?php

session_start(); //session işlemini başlatıyoruz.
if(!isset($_SESSION['user_nick']))//session varmı die kontrol ediyoruz. yok ise buraya giricek
{
    header("Location:index.php");//eğer session yok ise bizi giris.php gönderecek.
}
?>
<?php
if (!file_exists("baglanti.php")){
        require("install.php");
        die;
    }
include("baglanti.php");
include("Websend.php");
include("meta.php");
error_reporting(0);
session_start();
ob_start();

$ayarsor=$db->prepare("SELECT * FROM ayar where ayar_id = ?");
$ayarsor->execute(array(0));
$ayarcek=$ayarsor->fetch();

$kullanicisor = $db->prepare("select * from authme where username=:username");
$kullanicisor->execute(array('username' => $_SESSION['user_nick']));

$kullanici = $kullanicisor->fetch(PDO::FETCH_ASSOC);

$sunucu = $_GET["sunucu"];

if (!empty($_GET['uid'])) {
$ayarsor=$db->prepare("SELECT * FROM ayar where ayar_id = ?");
$ayarsor->execute(array(0));
$ayarcek=$ayarsor->fetch();

$urunsor=$db->prepare("SELECT * FROM urunler WHERE urun_id=:id");
$urunsor->execute(array('id' => $_GET['uid']));
$uruncek=$urunsor->fetch(PDO::FETCH_ASSOC);

$sec = $db->prepare("SELECT * FROM Sunucular WHERE sunucu_link = ?");
$sec->execute(array($uruncek["sunucu_link"]));
$oku = $sec->fetch();

$kullanicisor = $db->prepare("select * from authme where username=:username");
$kullanicisor->execute(array('username' => $_SESSION['user_nick']));

$kullanici = $kullanicisor->fetch(PDO::FETCH_ASSOC);

if ($kullanici['kredi'] >= $uruncek['urun_fiyat']) {
            $komut=$uruncek['urun_komut'];
            $komut2=$uruncek['urun_komut2'];
            $komut3=$uruncek['urun_komut3'];

            $ws = new Websend("".$oku['ip']."");
            $ws->password = "".$oku['sunucu_sifre']."";
            $ws->port = "".$oku['port']."";

            if($ws->connect()) {
                $ws->doCommandAsConsole(str_ireplace("%player%","".$_SESSION['user_nick']."","".$komut.""));
                if (!empty($komut2)) {
                    $ws->doCommandAsConsole(str_ireplace("%player%","".$_SESSION['user_nick']."","".$komut2.""));
                }
                if (!empty($komut3)) {
                    $ws->doCommandAsConsole(str_ireplace("%player%","".$_SESSION['user_nick']."","".$komut3.""));
                }
                  $ykredi= $kullanici['kredi'] - $uruncek['urun_fiyat'];
                  $duzenle=$db->prepare("UPDATE authme SET kredi=:kredi WHERE id=:id");
                  $azalt=$duzenle->execute(array('kredi' => $ykredi, 'id' => $kullanici['id']));
                  $ekle=$db->prepare("INSERT INTO alinanurun SET urun_isim=:urun_isim, username=:username, urun_fiyat=:urun_fiyat");
                  $yeniekle=$ekle->execute(array('urun_isim' => $uruncek['urun_isim'], 'username' => $kullanici['username'], 'urun_fiyat' => $uruncek['urun_fiyat']));
?>
              <?php
                  echo "<script>alert('Ürünü Başarılı Şekilde Satın Aldınız.')</script>";
                  echo '<meta http-equiv="refresh" content="0;URL=index.php">';
              ?>
              <?php
              }
                else
              {
              ?>
              <div>
              <script src="arsiv-2/themes/alert.js"></script>
              <script type="text/javascript">swal.fire("İşlem Başarısız", "Sunucuya bağlanırken bir sorun oluştu..", "error");
              </script>
              </div>
              <?php $sunucu = $_GET["sunucu"];?>
              <meta http-equiv="refresh" content="0;URL=market2.php?sunucu=<?php echo($sunucu);?>">
              <?php
              }
                $ws->disconnect();
                }
                  else
                {
                  ?>
                  <?php
                echo "<script>alert('Yetersiz Bakiye. :(')</script>";
                echo '<meta http-equiv="refresh" content="0;URL=market.php">';?><?php
                }
            }
              ?>
<!DOCTYPE html>
<html>

<head>
  <meta http-equiv="content-type" content="text/html;charset=UTF-8">
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <meta name="author" content="Slient Developers">
  <link rel="shortcut icon" type="image/x-icon" href="arsiv-2/img/img/bb2d30859adfa303df28779ef04fe69a.jpg">
  <meta name="description" content="">
  <meta name="keywords" content="">
  <base>
  <title><?php echo $ayarcek['site_title']; ?></title>
  <link rel="stylesheet" href="arsiv-2/themes/2020/assets/css/bootstrap.css">
  <link rel="stylesheet" href="arsiv-2/themes/2020/assets/css/mdi.css">
  <link rel="stylesheet" href="arsiv-2/themes/2020/assets/css/swiper.css">
  <link rel="stylesheet" href="arsiv-2/themes/2020/assets/css/style.css">
  <style type="text/css">
    :root {
      --body: #202230;
      --footer: #1E202B;
      --primary: #F3755D;
      --secondary: #9498BA;
      --tertiary: #32354C;
      --white: #FFFFFF;
      --success: #61DF69;
      --blue: #7F9DFF;
      --slice-bg: url('arsiv-2/img/img/6b54538a365c9d543a667664a50551cc.jpg');
    }
  </style>
</head>

<body style="    background-image: url(arsiv-2/img/background-2.png);    background-position: top left;    background-size: 20;    background-repeat: repeat;">
  <?php include("baslik.php"); ?>
<?php include("topbar.php"); ?>
  <section id="news-list" class="min-height-500">
       <div class="container">
      <div class="row">
        <div class="col-lg-12">
          <div class="row">
            <div class="col-lg-12">
              <div class="card <?php echo $ayarcek['tema']; ?>">
                <div class="card-header <?php echo $ayarcek['tema']; ?> text-dark" style="    background-image: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.2));    background-position: top left;    background-size: 100%;    background-repeat: repeat;">Sunucular</div>
                <div class="card-body">
                  <div class="row">
                                       <?php
            $urun_cek = $db->prepare("SELECT * FROM Urunler WHERE sunucu_link = ?");
            $urun_cek->execute(array($sunucu));
                if($urun_cek->rowCount() != 0){
                    echo "<br>";
                    foreach ($urun_cek as $urun_oku) {

            ?>
                    <div class="col-lg-3 col-md-12 mb-3">
                      <div class="card-info position-relative text-center">
                        <a href="javascript:;" onclick="ajaxModal('10')" type="button" data-toggle="modal" data-target="#storeModal">
                          <img data-toggle="tooltip" data-placement="top" title="" data-original-title="Detayları Görüntüle" src="arsiv-2/img/gold.png" class="img-fluid rounded">
                        </a>
                        <span class="card-heading text-dark"><?php echo $urun_oku['urun_isim']; ?><br><small><?php echo $urun_oku['urun_acikla']; ?></small></span>
                        <div class="card-price">
                          <span class="price-actual"><?php echo $urun_oku['urun_fiyat']; ?> Kredi</span>
                        </div>
                        <a href="market2.php?uid=<?php echo $urun_oku['urun_id']; ?>"><button onclick="ajaxModal('10')" type="button" class="btn btn-success" data-toggle="modal" data-target="#storeModal">
                        <i class="mdi mdi-plus"></i> Satın Al </button></a>
                      </div>
                    </div>
                                          <?php //slient ?>
        <?php
            }
            }
            if(($urun_cek->rowCount() == 0)){
                if (empty($_GET['uid'])) {

                    ?><div>
            <script src="https://cdn.jsdelivr.net/npm/sweetalert2@9"></script>
            <script type="text/javascript">swal.fire("Hata", "Markete hiç ürün eklenmemiş.", "error");
            </script>
            </div><?php
                }

                        }
?>

                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </section><small>
    <section class="slice"></section>
<?php include("footer.php");?>
    <script>
      var realPath = "arsiv-2/themes/2020/index.html";
    </script>
    <script src="arsiv-2/themes/2020/assets/js/jquery.js"></script>
    <script src="arsiv-2/themes/2020/assets/js/jquery-ui.js"></script>
    <script src="arsiv-2/themes/2020/assets/js/popper.js"></script>
    <script src="arsiv-2/themes/2020/assets/js/bootstrap.js"></script>
    <script src="arsiv-2/themes/2020/assets/js/swiper.js"></script>
    <script src="arsiv-2/themes/2020/assets/js/pages/index.js"></script>
    <script src="arsiv-2/themes/2020/assets/js/script.js" style=""></script>
  </small>
  </body>

</html>
fakat sayfaya girdiğimde hiç bir ürün bulunamadı hatası alıyorum ürün olmasına rağmen.
Not: Localhost'ta denediğimde çalışıyor 4 farklı hosting denedim sorun aynı.