Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Loader\Configurator\AbstractConfigurator" not found in /home/authent1/public_html/listassorys/phpbb/vendor/symfony/dependency-injection/Loader/Configurator/ParametersConfigurator.php:19 Stack trace: #0 {main} thrown in /home/authent1/public_html/listassorys/phpbb/vendor/symfony/dependency-injection/Loader/Configurator/ParametersConfigurator.php on line 19