Fatal error: Uncaught Error: Class "Symfony\Flex\Configurator\AbstractConfigurator" not found in /home/flighto/e-commerce/vendor/symfony/flex/src/Configurator/AddLinesConfigurator.php:14 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/symfony/flex/src/Configurator/AddLinesConfigurator.php on line 14