Problem with Elasticsearch

[blackrogan]

hello I am facing an issue with connector for Elastic still getting error in API

Fatal error: Uncaught Error: Class "Elasticsearch\ClientBuilder" not found in /var/www/MISP/app/Lib/Tools/ElasticSearchClient.php:30 Stack trace: #0 /var/www/MISP/app/Model/Log.php(1234): ElasticSearchClient->initTool() #1 /var/www/MISP/app/Model/Log.php(396): Log->getElasticSearchTool() #2 /var/www/MISP/app/Model/Log.php(166): Log->logData() #3 /var/www/MISP/app/Lib/Tools/BetterCakeEventManager.php(21): Log->beforeSave() #4 /var/www/MISP/app/Lib/cakephp/lib/Cake/Model/Model.php(1874): BetterCakeEventManager->dispatch() #5 /var/www/MISP/app/Lib/cakephp/lib/Cake/Model/Model.php(1761): Model->_doSave() #6 /var/www/MISP/app/Model/Log.php(269): Model->save() #7 /var/www/MISP/app/Controller/AppController.php(488): Log->createLogEntry() #8 /var/www/MISP/app/Controller/AppController.php(257): AppController->__loginByAuthKey() #9 /var/www/MISP/app/Lib/Tools/BetterCakeEventManager.php(23): AppController->beforeFilter() #10 /var/www/MISP/app/Lib/cakephp/lib/Cake/Controller/Controller.php(687): BetterCakeEventManager->dispatch() #11 /var/www/MISP/app/Lib/cakephp/lib/Cake/Error/ExceptionRenderer.php(158): Controller->startupProcess() #12 /var/www/MISP/app/Error/AppExceptionRenderer.php(8): ExceptionRenderer->_getController() #13 /var/www/MISP/app/Lib/cakephp/lib/Cake/Error/ErrorHandler.php(126): AppExceptionRenderer->__construct() #14 /var/www/MISP/app/Lib/cakephp/lib/Cake/Error/ErrorHandler.php(271): ErrorHandler::handleException() #15 /var/www/MISP/app/Lib/cakephp/lib/Cake/Error/ErrorHandler.php(214): ErrorHandler::handleFatalError() #16 /var/www/MISP/app/Lib/cakephp/lib/Cake/Core/App.php(970): ErrorHandler::handleError() #17 /var/www/MISP/app/Lib/cakephp/lib/Cake/Core/App.php(943): App::_checkFatalError() #18 [internal function]: App::shutdown() #19 {main} thrown in /var/www/MISP/app/Lib/Tools/ElasticSearchClient.php on line 30

do you know any solution for this?