Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Output\Output' not found in /mnt/volume_lon1_01/backend/adminseppi/vendor/symfony/console/Output/BufferedOutput.php:17 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/adminseppi/vendor/symfony/console/Output/BufferedOutput.php on line 17