Fatal error: Uncaught Error: Class "Symfony\Component\Console\Output\Output" not found in /home/homepaa/www/elegant-Vorlage/vendor/symfony/console/Output/TrimmedBufferOutput.php:22 Stack trace: #0 {main} thrown in /home/homepaa/www/elegant-Vorlage/vendor/symfony/console/Output/TrimmedBufferOutput.php on line 22