Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Dumper\Dumper" not found in /home/marcgron/www/SSA/v2/vendor/symfony/dependency-injection/Dumper/PhpDumper.php:53 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/dependency-injection/Dumper/PhpDumper.php on line 53