Fatal error: Uncaught Error: Class 'Composer\Command\BaseCommand' not found in /home/soh-works/www/Stepup_test/vendor/symfony/flex/src/Command/InstallRecipesCommand.php:25 Stack trace: #0 {main} thrown in /home/soh-works/www/Stepup_test/vendor/symfony/flex/src/Command/InstallRecipesCommand.php on line 25