Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Container' not found in /home/app/htdocs/lidia/vendor/symfony/dependency-injection/Tests/Fixtures/php/services_private_frozen.php:17 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/symfony/dependency-injection/Tests/Fixtures/php/services_private_frozen.php on line 17