Fatal error: Uncaught Error: Wrong parameters for Elasticsearch\Common\Exceptions\ServerErrorResponseException([string $message [, long $code [, Throwable $previous = NULL]]]) in /home/mage2user/site/releases/flashsale/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php:682 Stack trace: #0 /home/mage2user/site/releases/flashsale/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php(682): Exception->__construct(NULL, 503) #1 /home/mage2user/site/releases/flashsale/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php(298): Elasticsearch\Connections\Connection->process5xxError(Array, Array, Array) #2 /home/mage2user/site/releases/flashsale/vendor/react/promise/src/FulfilledPromise.php(25): Elasticsearch\Connections\Connection->Elasticsearch\Connections\{closure}(Array) #3 /home/mage2user/site/releases/flashsale/vendor/guzzlehttp/ringphp/src/Future/CompletedFutureValue.php(55): React\Promise\FulfilledPromise->then(Object(Closure), NULL, NULL) #4 in /home/mage2user/site/releases/flashsale/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php on line 682