Está ocorrendo um erro quando tento salvar no form de série, temporada e episódio

Erro: ErrorException (E_USER_DEPRECATED) The "Symfony\Component\Debug\Exception\FatalThrowableError" class is deprecated since Symfony 4.4.

 C:\xampp\htdocs\controle-series\vendor\symfony\debug\Exception\FatalThrowableError.php

    <?php

    /*
     * This file is part of the Symfony package.
     *
     * (c) Fabien Potencier <fabien@symfony.com>
     *
     * For the full copyright and license information, please view the LICENSE
     * file that was distributed with this source code.
     */

    namespace Symfony\Component\Debug\Exception;

    @trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.4.', FatalThrowableError::class), E_USER_DEPRECATED);

    /**
     * Fatal Throwable Error.
     *
     * @author Nicolas Grekas <p@tchwork.com>
     *
     * @deprecated since Symfony 4.4
     */
    class FatalThrowableError extends FatalErrorException
    {
        private $originalClassName;