Fatal error: Uncaught Error: Interface "Amp\Parallel\Sync\ExitResult" not found in /var/www/public/git/vendor/amphp/parallel/lib/Sync/ExitFailure.php:5 Stack trace: #0 {main} thrown in /var/www/public/git/vendor/amphp/parallel/lib/Sync/ExitFailure.php on line 5