Fatal error: Uncaught Error: Class "Composer\Command\BaseCommand" not found in /home/zdpktgd/ptc/vendor.old/symfony/flex/src/Command/InstallRecipesCommand.php:25 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/flex/src/Command/InstallRecipesCommand.php on line 25