Fatal error: Uncaught Error: Interface "Doctrine\Common\EventSubscriber" not found in C:\xampp\htdocs\Backend_v.004\vendor\doctrine\dbal\src\Event\Listeners\OracleSessionInit.php:29 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Backend_v.004\vendor\doctrine\dbal\src\Event\Listeners\OracleSessionInit.php on line 29