Fatal error: Uncaught Error: Class "Doctrine\Persistence\Mapping\Driver\FileDriver" not found in /home/iotechtniu/ioacademy/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/YamlDriver.php:33 Stack trace: #0 {main} thrown in /home/iotechtniu/ioacademy/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/YamlDriver.php on line 33