Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Driver\AbstractOracleDriver' not found in C:\xampp\htdocs\dpbb\vendor\doctrine\dbal\src\Driver\PDO\OCI\Driver.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\dpbb\vendor\doctrine\dbal\src\Driver\PDO\OCI\Driver.php on line 9