Fatal error: Uncaught Error: Interface "Psr\Container\ContainerInterface" not found in /home/cgrithy/public_html/pos.cgrithy.com/vendor/symfony/service-contracts/ServiceProviderInterface.php:24 Stack trace: #0 {main} thrown in /home/cgrithy/public_html/pos.cgrithy.com/vendor/symfony/service-contracts/ServiceProviderInterface.php on line 24