Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface" not found in /home/zdpktgd/ptc/vendor.old/symfony/framework-bundle/DependencyInjection/Compiler/TestServiceContainerRealRefPass.php:22 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/framework-bundle/DependencyInjection/Compiler/TestServiceContainerRealRefPass.php on line 22