Fatal error: Uncaught Error: Class "Amp\Parallel\Worker\Internal\JobPacket" not found in /lamp/www/quantixTest/vendor/amphp/parallel/src/Worker/Internal/JobCancellation.php:6 Stack trace: #0 {main} thrown in /lamp/www/quantixTest/vendor/amphp/parallel/src/Worker/Internal/JobCancellation.php on line 6