Fatal error: Uncaught Error: Interface "Symfony\Contracts\Service\ServiceSubscriberInterface" not found in C:\Apache24_x64\htdocs\ipad\vendor\symfony\translation\Tests\DependencyInjection\fixtures\ServiceSubscriber.php:9 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ipad\vendor\symfony\translation\Tests\DependencyInjection\fixtures\ServiceSubscriber.php on line 9