# Timelion error: Cannot run exists query on \_field\_names

**URL:** https://discuss.elastic.co/t/timelion-error-cannot-run-exists-query-on-field-names/195001
**Category:** Kibana
**Tags:** timelion
**Created:** [August 13, 2019, 9:57am UTC](https://discuss.elastic.co/t/timelion-error-cannot-run-exists-query-on-field-names/195001 "2019-08-13T09:57:46Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![tomhe](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/tomhe/32/120065_2.png) [@tomhe](https://discuss.elastic.co/u/tomhe)
#### Post date: [August 13, 2019, 9:57am UTC](https://discuss.elastic.co/t/timelion-error-cannot-run-exists-query-on-field-names/195001/1 "2019-08-13T09:57:46Z")

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I recently discovered that one of our Timelion visualizations is no longer working.

`Timelion: Error: in cell #1: [unsupported_operation_exception] unsupported_operation_exception: Cannot run exists query on _field_names`

Here's the Timelion code:

`.es(index=jira)`

The error only occurs on this particular index (as far as I can tell) and \_field\_names are not disabled for this index.

Not sure when it stopped working, but maybe when we upgraded from 6.7 to 7.0.

Elasticsearch and Kibana all at 7.3.0.

Any ideas on what can be wrong here?

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### Author: ![lukas](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lukas/32/6812_2.png) [@lukas](https://discuss.elastic.co/u/lukas)
#### Post date: [August 13, 2019, 10:55pm UTC](https://discuss.elastic.co/t/timelion-error-cannot-run-exists-query-on-field-names/195001/2 "2019-08-13T22:55:01Z")

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Hmm, do you have any `exists` filters or queries?

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<div class="post-metadata">

### Author: ![tomhe](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/tomhe/32/120065_2.png) [@tomhe](https://discuss.elastic.co/u/tomhe)
#### Post date: [August 14, 2019, 7:20am UTC](https://discuss.elastic.co/t/timelion-error-cannot-run-exists-query-on-field-names/195001/3 "2019-08-14T07:20:27Z")

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No, this is from simply creating a new Timelion visualization and entering `.es(index=jira)` in the form and pressing "play".

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [September 11, 2019, 7:20am UTC](https://discuss.elastic.co/t/timelion-error-cannot-run-exists-query-on-field-names/195001/4 "2019-09-11T07:20:37Z")

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