Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\ServiceSubscriberInterface' not found in /home/itscm/dev.its.cm/apps/vendor/symfony/dependency-injection/Tests/Fixtures/TestServiceSubscriber.php:7 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/apps/vendor/symfony/dependency-injection/Tests/Fixtures/TestServiceSubscriber.php on line 7