Fatal error: Uncaught Error: Class "Symfony\Component\Console\Descriptor\Descriptor" not found in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/symfony/console/Symfony/Component/Console/Descriptor/JsonDescriptor.php:27 Stack trace: #0 {main} thrown in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/symfony/console/Symfony/Component/Console/Descriptor/JsonDescriptor.php on line 27