The site has been loading very slowly, and crashing. I was attempting to send a flower to a user, and the site crashed. When I reloaded the pages I was sending flowers on, one of them sent fine, but the other one returned this error

Fatal error: Uncaught exception 'ElasticsearchCommonExceptionsTransportException' with message 'Empty reply from server' in /www/subeta.net/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/AbstractConnection.php:324 Stack trace: /www/subeta.net/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/GuzzleConnection.php(313): ElasticsearchConnectionsAbstractConnection->throwCurlException(52, 'Empty reply fro...') /www/subeta.net/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/GuzzleConnection.php(200): ElasticsearchConnectionsGuzzleConnection->processCurlError(Object(GuzzleHttpExceptionCurlException)) /www/subeta.net/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/GuzzleConnection.php(104): ElasticsearchConnectionsGuzzleConnection->sendRequest(Object(GuzzleHttpMessageEntityEnclosingRequest), '{"itemid":14589...') /www/subeta.net/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Transport.php(166): ElasticsearchConnectionsGuzzleConne in /www/subeta.net/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/AbstractConnection.php on line 324