Fatal error: Uncaught Error: Class "Symfony\Component\Runtime\GenericRuntime" not found in /home/zdpktgd/ptc/vendor.old/symfony/runtime/SymfonyRuntime.php:67 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/runtime/SymfonyRuntime.php on line 67