Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface" not found in /home/zdpktgd/ptc/vendor.old/symfony/cache/DependencyInjection/CachePoolPass.php:30 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/cache/DependencyInjection/CachePoolPass.php on line 30