Fatal error: Uncaught Error: Class 'Symfony\Component\Process\Pipes\AbstractPipes' not found in /mnt/volume_lon1_01/backend/admin/vendor/symfony/process/Pipes/WindowsPipes.php:27 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/symfony/process/Pipes/WindowsPipes.php on line 27