Fatal error: Uncaught Error: Class "Symfony\Component\Runtime\Resolver\ClosureResolver" not found in /home/zdpktgd/ptc/vendor.old/symfony/runtime/Resolver/DebugClosureResolver.php:17 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/runtime/Resolver/DebugClosureResolver.php on line 17