Fatal error: Uncaught Error: Class "Symfony\Component\Process\Pipes\AbstractPipes" not found in D:\Webserver\Apache24\htdocs\laravel\basic\vendor\symfony\process\Pipes\WindowsPipes.php:27 Stack trace: #0 {main} thrown in D:\Webserver\Apache24\htdocs\laravel\basic\vendor\symfony\process\Pipes\WindowsPipes.php on line 27