Edit File: SimpleCacheAdapter.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\Cache\Adapter; @trigger_error(sprintf('The "%s" class is @deprecated since Symfony 4.3, use "Psr16Adapter" instead.', SimpleCacheAdapter::class), \E_USER_DEPRECATED); /** * @deprecated since Symfony 4.3, use Psr16Adapter instead. */ class SimpleCacheAdapter extends Psr16Adapter { }