Fatal error: Uncaught Error: Class "Symfony\Component\Console\Helper\DescriptorHelper" not found in /home/www/aes-demo/api-8.0.0#316/vendor/symfony/framework-bundle/Console/Helper/DescriptorHelper.php:26 Stack trace: #0 {main} thrown in /home/www/aes-demo/api-8.0.0#316/vendor/symfony/framework-bundle/Console/Helper/DescriptorHelper.php on line 26