Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface" not found in /home/pataplou/www/patrick/pataplouf/vendor/symfony/dependency-injection/Tests/Fixtures/includes/classes.php:85 Stack trace: #0 /home/pataplou/www/patrick/pataplouf/vendor/symfony/dependency-injection/Tests/ContainerBuilderTest.php(15): require_once() #1 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/symfony/dependency-injection/Tests/Fixtures/includes/classes.php on line 85