Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Event\SchemaEventArgs.php:10 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Event\SchemaEventArgs.php on line 10