Fatal error: Uncaught Error: Interface 'Symfony\Contracts\Service\ServiceSubscriberInterface' not found in /home/itscm/dev.its.cm/webserivesits/vendor/symfony/framework-bundle/Controller/AbstractController.php:37 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webserivesits/vendor/symfony/framework-bundle/Controller/AbstractController.php on line 37