Fatal error: Uncaught Error: Interface "Symfony\Contracts\Service\ServiceSubscriberInterface" not found in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/translation/Tests/DependencyInjection/fixtures/ServiceSubscriber.php:9 Stack trace: #0 {main} thrown in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/translation/Tests/DependencyInjection/fixtures/ServiceSubscriber.php on line 9