Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Output\ConsoleOutput' not found in C:\Apache24\htdocs\vendor.old2\psy\psysh\src\Output\ShellOutput.php:21 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vendor.old2\psy\psysh\src\Output\ShellOutput.php on line 21