Fatal error: Uncaught Error: Interface "Symfony\Component\Console\Output\OutputInterface" not found in D:\xampp\htdocs\lux_PHP\vendor\psy\psysh\src\Output\ShellOutputAdapter.php:27 Stack trace: #0 {main} thrown in D:\xampp\htdocs\lux_PHP\vendor\psy\psysh\src\Output\ShellOutputAdapter.php on line 27