Fatal error: Uncaught Error: Class "Symfony\Component\Process\Pipes\AbstractPipes" not found in C:\Apache24_x64\htdocs\origin_cms8\vendor\symfony\process\Pipes\UnixPipes.php:23 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\origin_cms8\vendor\symfony\process\Pipes\UnixPipes.php on line 23