# \*\*\* SOLVED \*\*\* Netflow module | Error in visualization
**URL:** https://discuss.elastic.co/t/solved-netflow-module-error-in-visualization/192694
**Category:** Kibana
**Created:** [July 29, 2019, 12:24pm UTC](https://discuss.elastic.co/t/solved-netflow-module-error-in-visualization/192694 "2019-07-29T12:24:23Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@thirty2](https://discuss.elastic.co/u/thirty2)
#### Post date: [July 29, 2019, 12:24pm UTC](https://discuss.elastic.co/t/solved-netflow-module-error-in-visualization/192694/1 "2019-07-29T12:24:23Z")
Hi,
i mange to run Netflow module in ELK. I can see new Dashboard in Kibana. But when i click do display on the Dashboard i am getting this error in Kibana:
> Error in visualization
> [esaggs] \> Request to Elasticsearch failed: {"error":{"root\_cause":[{"type":"illegal\_argument\_exception","reason":"Fielddata is disabled on text fields by default. Set fielddata=true on [netflow.protocol\_name] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."},{"type":"illegal\_argument\_exception","reason":"Fielddata is disabled on text fields by default. Set fielddata=true on [netflow.protocol\_name] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."},{"type":"illegal\_argument\_exception","reason":"Fielddata is disabled on text fields by default. Set fielddata=true on [netflow.protocol\_name] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."}],"type":"search\_phase\_execution\_exception","reason":"all shards failed","phase":"query","grouped":true,"failed\_shards":[{"shard":0,"index":"netflow-2019.07.29","node":"Fq3UNCrjSEaTq0jH3TxSFg","reason":{"type":"illegal\_argument\_exception","reason":"Fielddata is disabled on text fields by default. Set fielddata=true on [netflow.protocol\_name] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."}},{"shard":0,"index":"netflow-2019.07.30","node":"qRx8taJTTbqVQqykVmPl7g","reason":{"type":"illegal\_argument\_exception","reason":"Fielddata is disabled on text fields by default. Set fielddata=true on [netflow.protocol\_name] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."}},{"shard":0,"index":"netflow-2019.07.31","node":"e30n\_h-qSnq7\_uMOAfU6Uw","reason":{"type":"illegal\_argument\_exception","reason":"Fielddata is disabled on text fields by default. Set fielddata=true on [netflow.protocol\_name] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."}}],"caused\_by":{"type":"illegal\_argument\_exception","reason":"Fielddata is disabled on text fields by default. Set fielddata=true on [netflow.protocol\_name] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.","caused\_by":{"type":"illegal\_argument\_exception","reason":"Fielddata is disabled on text fields by default. Set fielddata=true on [netflow.protocol\_name] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."}}},"status":400}
I fix it but runninig:
> curl -X PUT "localhost:9200/netflow-\*/\_mapping" -H 'Content-Type: application/json' -d'
> {
> "properties": {
> "PUT YOUR FILED HERE": {
> "type": "text",
> "fielddata": true
> }
> }
> }
> '
---
### Author:  [@joelgriffith](https://discuss.elastic.co/u/joelgriffith)
#### Post date: [August 7, 2019, 5:48pm UTC](https://discuss.elastic.co/t/solved-netflow-module-error-in-visualization/192694/2 "2019-08-07T17:48:06Z")
Thanks for posting your answer! Going to close this out now 🙂
---
### Author:  [@joelgriffith](https://discuss.elastic.co/u/joelgriffith)
#### Post date: [August 7, 2019, 5:48pm UTC](https://discuss.elastic.co/t/solved-netflow-module-error-in-visualization/192694/3 "2019-08-07T17:48:16Z")