Let me know how to solve this situation.
This is what happens when you start kibana
log
[02:36:35.142] [error][monitoring-ui] [export_exception]
Exception when closing export bulk ::
{
"path":"/_xpack/monitoring/_bulk",
"query":{"system_id":"kibana","system_api_version":"6","interval":"10000ms"},
"body":"{\"index\":{\"_type\":\"kibana_settings\"}}\n{\"kibana_uuid\":\"aa70b925-6549-43a1-a87d-cd9b05fe4f61\",\"xpack\":{\"default_admin_email\":null}}\n{\"index\":{\"_type\":\"kibana_stats\"}}\n{\"kibana\":{\"uuid\":\"aa70b925-6549-43a1-a87d-cd9b05fe4f61\",\"name\":\"elastic1-VirtualBox\",\"index\":\".kibana\",\"host\":\"elastic1-VirtualBox\",\"transport_address\":\"10.102.41.171:5601\",\"version\":\"6.0.0\",\"snapshot\":false,\"status\":\"green\"},\"concurrent_connections\":2400,\"os\":{\"load\":{\"1m\":0.2646484375,\"5m\":0.2724609375,\"15m\":0.34130859375},\"memory\":{\"total_in_bytes\":4141441024,\"free_in_bytes\":450953216,\"used_in_bytes\":3690487808},\"uptime_in_millis\":81094000},\"process\":{\"event_loop_delay\":8375.502967189997,\"memory\":{\"heap\":{\"total_in_bytes\":118341632,\"used_in_bytes\":103273544,\"size_limit\":1501560832},\"resident_set_size_in_bytes\":161976320},\"uptime_in_millis\":69573035},\"requests\":{\"disconnects\":0,\"total\":3163,\"status_codes\":{\"200\":1147,\"304\":2007,\"404\":7,\"503\":2}},\"response_times\":{\"average\":1475,\"max\":1475},\"timestamp\":\"2017-12-07T02:36:32.693Z\"}\n",
"statusCode":500,
"response":"{\"took\":44,\"errors\":true,\"error\":{\"type\":\"export_exception\",\"reason\":\"Exception when closing export bulk\",\"caused_by\":{\"type\":\"export_exception\",\"reason\":\"failed to flush export bulks\",\"caused_by\":{\"type\":\"export_exception\",\"reason\":\"bulk [default_local] reports failures when exporting documents\",\"exceptions\":[{\"type\":\"export_exception\",\"reason\":\"RemoteTransportException[[node-2][10.102.41.172:9301][indices:admin/create]]; nested: IllegalArgumentException[Rejecting mapping update to [.monitoring-kibana-6-2017.12.07] as the final mapping would have more than 1 type: [doc, type1]];\",\"caused_by\":{\"type\":\"illegal_argument_exception\",\"reason\":\"Rejecting mapping update to [.monitoring-kibana-6-2017.12.07] as the final mapping would have more than 1 type: [doc, type1]\"}},{\"type\":\"export_exception\",\"reason\":\"RemoteTransportException[[node-2][10.102.41.172:9301][indices:admin/create]]; nested: IllegalArgumentException[Rejecting mapping update to [.monitoring-kibana-6-2017.12.07] as the final mapping would have more than 1 type: [doc, type1]];\",\"caused_by\":{\"type\":\"illegal_argument_exception\",\"reason\":\"Rejecting mapping update to [.monitoring-kibana-6-2017.12.07] as the final mapping would have more than 1 type: [doc, type1]\"}}]}}}}"
}
at respond (/home/elastic1/kibana-6.0.0-linux-x86_64/node_modules/elasticsearch/src/lib/transport.js:295:15)
at checkRespForFailure (/home/elastic1/kibana-6.0.0-linux-x86_64/node_modules/elasticsearch/src/lib/transport.js:254:7)
at HttpConnector.<anonymous> (/home/elastic1/kibana-6.0.0-linux-x86_64/node_modules/elasticsearch/src/lib/connectors/http.js:159:7)
at IncomingMessage.bound (/home/elastic1/kibana-6.0.0-linux-x86_64/node_modules/elasticsearch/node_modules/lodash/dist/lodash.js:729:21)
at emitNone (events.js:91:20)
at IncomingMessage.emit (events.js:185:7)
at endReadableNT (_stream_readable.js:974:12)
at _combinedTickCallback (internal/process/next_tick.js:80:11)
at process._tickDomainCallback (internal/process/next_tick.js:128:9)