Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Loader\ObjectRouteLoader' not found in /var/www/typo3/vendor/symfony/routing/Loader/DependencyInjection/ServiceRouterLoader.php:27 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/symfony/routing/Loader/DependencyInjection/ServiceRouterLoader.php on line 27