Fatal error: Uncaught Error: Interface "Symfony\Contracts\Service\ServiceProviderInterface" not found in /home/sardosne/flarum.sardos.net/vendor/symfony/service-contracts/ServiceCollectionInterface.php:24 Stack trace: #0 {main} thrown in /home/sardosne/flarum.sardos.net/vendor/symfony/service-contracts/ServiceCollectionInterface.php on line 24