Fatal error: Uncaught Error: Interface "Psr\Container\ContainerInterface" not found in /home/zdpktgd/ptc/vendor.old/symfony/dependency-injection/ParameterBag/ContainerBagInterface.php:22 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/dependency-injection/ParameterBag/ContainerBagInterface.php on line 22