Mon header location affiche une page blanche uniquement

Bonjour besoin d'aide svp

<?php

 require_once 'config.php';

 require_once "Traduction.php";

 $ip = $_SERVER['REMOTE_ADDR'];

 $check = $pdo->prepare('SELECT * FROM adresse_ip WHERE A_ip = ?'); 

 $check->execute(array($ip)); 

 $data = $check->fetch(); 

 $row = $check->rowCount(); 

 if ($row>=1) {

   $a=$data['lang'];

   $langue=$a;

    }

if((isset($_POST["email"])) && (isset($_POST["email_confirm"])) && (isset($_POST["civilite"])) && (isset($_POST["prenom"])) && (isset($_POST["nom"])) && (isset($_POST["adresse_voie"])) && (isset($_POST["code_postal"])) && (isset($_POST["ville"])) && (isset($_POST["pays"])) && (isset($_POST["passe"]))){

  if (($_POST["email"]==$_POST["email_confirm"])&&($_POST["passe"]==$_POST["passe_confirm"]) ) { 

    $email = htmlspecialchars(strip_tags($_POST["email"]));

    $prenom = htmlspecialchars(strip_tags($_POST["prenom"]));

    $nom = htmlspecialchars(strip_tags($_POST["nom"]));

    $sexe = htmlspecialchars(strip_tags($_POST["civilite"]));

    $adresse = htmlspecialchars(strip_tags($_POST["adresse_voie"]));

    $post = htmlspecialchars(strip_tags($_POST["code_postal"]));

    $ville = htmlspecialchars(strip_tags($_POST["ville"]));

    $pays = htmlspecialchars(strip_tags($_POST["pays"]));

    $passe = htmlspecialchars(strip_tags($_POST["passe"]));

    $token= bin2hex(openssl_random_pseudo_bytes(64));

    $check = $pdo->prepare('SELECT nom, email, passe,token FROM inscription WHERE email = ?'); 

    $check->execute(array($email)); 

    $data = $check->fetch(); 

    $row = $check->rowCount(); 

    if ($row>=1) {

      header('Location:error.php?login_err=already'); 

      die();

    }

    $email = strtolower($email);

    $insert = $pdo->prepare('INSERT INTO inscription (prenom, nom, sexe, adresse, post, ville, pays, email, passe,Ip,token) VALUES (:prenom, :nom, :sexe, :adresse, :post, :ville, :pays, :email, :passe,:ip,:token)');

    $insert->execute(array( 'prenom' => $prenom, 'nom' => $nom, 'sexe' => $sexe, 'adresse' => $adresse, 'post' => $post, 'ville' => $ville, 'pays' => $pays, 'email' => $email, 'passe' => $passe,'ip' => $ip, 'token' => $token )); 

    // On redirige avec le message de succès 

 header("Location:forms.php?token=$token&ville=$ville"); 

    die();

  }else{

    header('Location:error.php?login_err=passe'); 

      die();

}}else{

  header('Location:error.php?login_err=champs'); 

      die();

}?>

Android / Chrome 91.0.4472.120