Fatal error: Uncaught Error: Class "Magento\CatalogSearch\Model\Indexer\Fulltext" not found in /var/www/magento/html/app/code/BBNT/Elasticsearch/Model/Indexer/Fulltext.php:11
Stack trace:
#0 {main}
thrown in /var/www/magento/html/app/code/BBNT/Elasticsearch/Model/Indexer/Fulltext.php on line 11