Fatal error: Uncaught Error: Class 'Symfony\Flex\Configurator\AbstractConfigurator' not found in /home/srv1clbr/public_html/sport43app/vendor/symfony/flex/src/Configurator/ContainerConfigurator.php:21 Stack trace: #0 {main} thrown in /home/srv1clbr/public_html/sport43app/vendor/symfony/flex/src/Configurator/ContainerConfigurator.php on line 21