Fatal error: Uncaught Error: Interface "Symfony\Component\Console\Output\OutputInterface" not found in /home/winnie/public_html/yahya/app-scheduler/vendor/symfony/console/Output/Output.php:31 Stack trace: #0 {main} thrown in /home/winnie/public_html/yahya/app-scheduler/vendor/symfony/console/Output/Output.php on line 31