Fatal error: Uncaught Error: Class "Elastica\Bulk\Action\IndexDocument" not found in /var/www/html/w/vendor/ruflin/elastica/src/Bulk/Action/UpdateDocument.php:8 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/ruflin/elastica/src/Bulk/Action/UpdateDocument.php on line 8