Fatal error: Uncaught Error: Interface 'Symfony\Component\Console\Completion\Output\CompletionOutputInterface' not found in C:\xampp\htdocs\rabani-laravel-firebird\vendor\symfony\console\Completion\Output\BashCompletionOutput.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\rabani-laravel-firebird\vendor\symfony\console\Completion\Output\BashCompletionOutput.php on line 20