Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Loader\Configurator\AbstractServiceConfigurator' not found in /home/soh-works/www/3good_old/vendor/symfony/dependency-injection/Loader/Configurator/InstanceofConfigurator.php:19 Stack trace: #0 {main} thrown in /home/soh-works/www/3good_old/vendor/symfony/dependency-injection/Loader/Configurator/InstanceofConfigurator.php on line 19