Fatal error: Uncaught Error: Class "Doctrine\DBAL\Event\TransactionEventArgs" not found in D:\NTG_App\www\NTG_KPI\vendor\doctrine\dbal\src\Event\TransactionRollBackEventArgs.php:8 Stack trace: #0 {main} thrown in D:\NTG_App\www\NTG_KPI\vendor\doctrine\dbal\src\Event\TransactionRollBackEventArgs.php on line 8