SQLSTATE[HY093]: Invalid parameter number: number of bound variables does not match number of tokens

I tried something already written in the topics but it didin't worked I got SQLSTATE[HY093]: here is my codes;

   <?php
    include '
black/netting/islem.php'; 
$user = new USER();
if($user->is_loggedin()!="")
{
  $user->redirect('home.php');
}
?>
islem.php ;
<?php 
function tckimlik($tcno) { 
  $olmaz=array('11111111110','22222222220','33333333330','44444444440','55555555550','66666666660','7777777770','88888888880','99999999990'); 
  if($tckimlik[0]==0 or !ctype_digit($tckimlik) or strlen($tckimlik)!=11){ return false;  } 
  else{
    for($a=0;$a<9;$a=$a+2){ $ilkt=$ilkt+$tckimlik[$a]; } 
      for($a=1;$a<9;$a=$a+2){ $sont=$sont+$tckimlik[$a]; } 
        for($a=0;$a<10;$a=$a+1){ $tumt=$tumt+$tckimlik[$a]; } 
          if(($ilkt*7-$sont)%10!=$tckimlik[9] or $tumt%10!=$tckimlik[10]){ return false; } 
        else{  
          foreach($olmaz as $olurmu){ if($tckimlik==$olurmu){ return false; } } 
          return true; 
        } 
      } 
    } 


    if(isset($_POST['tcsorgula']))
    {
      $tcno = strip_tags($_POST['tcno']);
      $tel_no = strip_tags($_POST['tel_no']);
      $mail = strip_tags($_POST['mail']);
      $forum_name = strip_tags($_POST['forum_name']);
      $uye_sifre = strip_tags($_POST['uye_sifre']);
      $type = strip_tags($_POST['type']);
      $first_name = strip_tags($_POST['first_name']);
      $last_name = strip_tags($_POST['last_name']);
      $gender = strip_tags($_POST['gender']);
      $user_birth = strip_tags($_POST['user_birth']);
      if(!filter_var($mail, FILTER_VALIDATE_EMAIL)) {
        $error[] = 'Lütfen geçerli bir e-mail adresi giriniz!';
      }
      else if(strlen($uye_sifre) < 6){
        $error[] = "Şifreniz en az 6 karakterden oluşmalıdır";  
      }
      else if($uye_sifre!=$sifre_tekrar)  {
        $error[] = "Lütfen şifrenizi tekrar doğru giriniz"; 
      }
      else if (isset($_POST['tcsorgula'])) {
       if(tckimlik($_POST['tcno'])){ 
       } else {
        echo "tc kimlik no sorunlu";
      }
    } 
  }
  else  {
    try
    { 
      $stmt = $user->runQuery("SELECT user_tcno, user_tel, user_email, user_fname FROM users WHERE user_tcno=:tcno OR user_tel=:tel_no OR user_email=:mail OR user_fname=:forum_name");
      $stmt->execute(array(':uname'=>$tcno, ':umail'=>$mail));
      $row=$stmt->fetch(PDO::FETCH_ASSOC);
      if($row['user_fname']==$forum_name) {
        $error[] = "Üzgünüz forum kullanıcı adı alındı !";
      }
      else if($row['user_tel']==$tel_no) {
        $error[] = "Bu telefon numarası kayfı bulunmaktadır lütfen farklı bir telefon numarası giriniz...";
      }
      else if($row['user_email']==$mail) {
        $error[] = "Bu e-mail kayfı bulunmaktadır lütfen farklı bir e-mail adresi giriniz...";
      }
      else if($row['user_tcno']==$tcno) {
        $error[] = "Bu T.C kimlik numarası kaydı bulunmaktadır lütfen farklı bir T.C kimlik numarası  giriniz...";
      }
      else
      {
        if($user->register($first_name,$last_name,$tcno,$tel_no,$mail,$uye_sifre,$gender,$user_birth,$forum_name,$type)){  
          $user->redirect('kayit.php?joined');
        }
      }
    }
    catch(PDOException $e)
    {
      echo $e->getMessage();
    }

  } 

  ?>
<?php 
require_once('dbconfig.php');
class USER
{   
    private $conn;
    public function __construct()
    {
        $database = new Database();
        $db = $database->dbConnection();
        $this->conn = $db;
    }
    public function runQuery($sql)
    {
        $stmt = $this->conn->prepare($sql);


    return $stmt;
    }
    public function register($first_name,$last_name,$tcno,$tel_no,$mail,$uye_sifre,$gender,$user_birth,$forum_name,$type)
    {
        try
        {

            $new_password = password_hash($uye_sifre, PASSWORD_DEFAULT);
            $stmt = $this->conn->prepare("INSERT INTO users(user_name,user_sirname,user_tcno,user_tel,user_email,user_pass,user_gender,user_birthd,user_fname,user_type) 
                VALUES(:user_name, :user_sirname, :user_tcno, :user_tel, :user_email, :new_password, :user_gender, :user_birthd, :forum_name, :user_type)");
            $stmt->bindparam(":user_name", $first_name);
            $stmt->bindparam(":user_sirname", $last_name);
            $stmt->bindparam(":user_tcno", $tcno);
            $stmt->bindparam(":user_tel", $tel_no);
            $stmt->bindparam(":user_email", $mail);
            $stmt->bindparam(":user_fname", $forum_name);
            $stmt->bindparam(":user_gender", $gender);
            $stmt->bindparam(":user_birthd", $user_birth);
            $stmt->bindparam(":user_type", $type);
            $stmt->bindparam(":new_password", $new_password);                                         
            $stmt->execute();
            return $stmt;   
        }
        catch (PDOException $e)
        {
            echo $e->getMessage();
        }
    } ?>

then I got

SQLSTATE[HY093]: Invalid parameter number: number of bound variables does not match number of tokens