Fatal error: Uncaught Error: Class "Doctrine\Persistence\Mapping\Driver\FileDriver" not found in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/doctrine/persistence/src/Persistence/Mapping/Driver/PHPDriver.php:13 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/doctrine/persistence/src/Persistence/Mapping/Driver/PHPDriver.php on line 13