Fatal error: Uncaught Error: Class 'Doctrine\ORM\Tools\Export\Driver\AbstractExporter' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/doctrine/orm/lib/Doctrine/ORM/Tools/Export/Driver/YamlExporter.php:20 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/doctrine/orm/lib/Doctrine/ORM/Tools/Export/Driver/YamlExporter.php on line 20