Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Event\ConnectionEventArgs.php:11 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Event\ConnectionEventArgs.php on line 11