Fatal error: Uncaught Error: Class 'Composer\Command\RequireCommand' not found in /home/soh-works/www/Stepup_test/vendor/symfony/flex/src/Command/RequireCommand.php:23 Stack trace: #0 {main} thrown in /home/soh-works/www/Stepup_test/vendor/symfony/flex/src/Command/RequireCommand.php on line 23