Fatal error: Uncaught Error: Interface 'Symfony\Contracts\Service\ServiceSubscriberInterface' not found in /home/flexinettek/public_html/vendor/symfony/translation/Tests/DependencyInjection/fixtures/ServiceSubscriber.php:9 Stack trace: #0 {main} thrown in /home/flexinettek/public_html/vendor/symfony/translation/Tests/DependencyInjection/fixtures/ServiceSubscriber.php on line 9