Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\ParamConfigurator" not found in /home/zdpktgd/ptc/vendor.old/symfony/dependency-injection/Loader/Configurator/EnvConfigurator.php:16 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/dependency-injection/Loader/Configurator/EnvConfigurator.php on line 16