Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Output\ConsoleOutput' not found in C:\webserver\data\htdocs\api\vendor\laravel\framework\src\Illuminate\Testing\ParallelConsoleOutput.php:8 Stack trace: #0 {main} thrown in C:\webserver\data\htdocs\api\vendor\laravel\framework\src\Illuminate\Testing\ParallelConsoleOutput.php on line 8