Fatal error: Uncaught Error: Interface 'Symfony\Contracts\Service\ServiceSubscriberInterface' not found in D:\workspaces\liZiPingBack\vendor\symfony\dependency-injection\ServiceSubscriberInterface.php:21 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\dependency-injection\ServiceSubscriberInterface.php on line 21