Problème d'affichage de site ovh.mariste.sn

Bonjour à tous
Suite au changement d'hébergement, mon site internet me donne les erreurs suivants.
/**
* @file
* The PHP page that serves all page requests on a Drupal installation.
*
* All Drupal code is released under the GNU General Public License.
* See COPYRIGHT.txt and LICENSE.txt files in the "core" directory.
*/

use Drupal\Core\DrupalKernel;
use Symfony\Component\HttpFoundation\Request;

$autoloader = require_once 'autoload.php';

$kernel = new DrupalKernel('prod', $autoloader);

$request = Request::createFromGlobals();
$response = $kernel->handle($request);
$response->send();

$kernel->terminate($request, $response);