Fatal error: Uncaught Error: Interface 'Psr\Container\ContainerInterface' not found in /home/itscm/dev.its.cm/apps/vendor/symfony/dependency-injection/ServiceLocator.php:22 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/apps/vendor/symfony/dependency-injection/ServiceLocator.php on line 22