Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Secrets\AbstractVault" not found in /var/www/html/festival/vendor/symfony/framework-bundle/Secrets/SodiumVault.php:23 Stack trace: #0 {main} thrown in /var/www/html/festival/vendor/symfony/framework-bundle/Secrets/SodiumVault.php on line 23