Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\doctrine\dbal\src\Event\ConnectionEventArgs.php:13 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\doctrine\dbal\src\Event\ConnectionEventArgs.php on line 13