# Visualize: "field" is a required parameter?
**URL:** https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179
**Category:** Kibana
**Created:** [October 19, 2018, 1:35pm UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179 "2018-10-19T13:35:11Z")
**Posts on this page:** 10
**Page:** 1
### Author:  [@aabababba](https://discuss.elastic.co/u/aabababba)
#### Post date: [October 19, 2018, 1:35pm UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/1 "2018-10-19T13:35:12Z")
help?
---
### Author:  [@elastock](https://discuss.elastic.co/u/elastock)
#### Post date: [October 19, 2018, 2:09pm UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/2 "2018-10-19T14:09:19Z")
it happens when your index has changed and the field concerned doesn't exist anymore in your documents.
So , the visualization can't find it .
Or maybe this field wasn't marked as aggregatable or searchable in the index pattern menu
Maybe try to refresh the index pattern ...
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### Author:  [@aabababba](https://discuss.elastic.co/u/aabababba)
#### Post date: [October 20, 2018, 8:23am UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/3 "2018-10-20T08:23:13Z")
how to refresh the index pattern?
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### Author:  [@aabababba](https://discuss.elastic.co/u/aabababba)
#### Post date: [October 20, 2018, 8:38am UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/4 "2018-10-20T08:38:36Z")
No data to display for the selected metrics?
any idea?。。。
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### Author:  [@aabababba](https://discuss.elastic.co/u/aabababba)
#### Post date: [October 20, 2018, 8:46am UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/5 "2018-10-20T08:46:54Z")
[indices:data/read/search[phase/query]]
Caused by: java.lang.IllegalArgumentException: Fielddata is disabled on text fields by default. Set fielddata=true on [beat.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.
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### Author:  [@elastock](https://discuss.elastic.co/u/elastock)
#### Post date: [October 22, 2018, 7:14am UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/6 "2018-10-22T07:14:08Z")
Management\> Index pattern
Go to top right and corner
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### Author:  [@aabababba](https://discuss.elastic.co/u/aabababba)
#### Post date: [October 22, 2018, 10:27am UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/7 "2018-10-22T10:27:15Z")
I get it.but now the error is
[indices:data/read/search[phase/query]]
Caused by: java.lang.IllegalArgumentException: Fielddata is disabled on text fields by default. Set fielddata=true on [beat.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.
I should set this every day?
```
PUT metricbeat-*/_mapping/doc?update_all_types
{
"properties": {
"beat.name": {
"type": "text",
"fielddata": true
}
}
}
```
---
### Author:  [@aabababba](https://discuss.elastic.co/u/aabababba)
#### Post date: [October 24, 2018, 7:23am UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/8 "2018-10-24T07:23:04Z")
```auto
{
"error": {
"root_cause": [
{
"type": "illegal_argument_exception",
"reason": "mapper [system.network.name] of different type, current_type [keyword], merged_type [text]"
}
],
"type": "illegal_argument_exception",
"reason": "mapper [system.network.name] of different type, current_type [keyword], merged_type [text]"
},
"status": 400
}
```
now the error is this。。。
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### Author:  [@aabababba](https://discuss.elastic.co/u/aabababba)
#### Post date: [November 12, 2018, 2:48am UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/9 "2018-11-12T02:48:11Z")
anybody can help this?。。。
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 10, 2018, 2:48am UTC](https://discuss.elastic.co/t/visualize-field-is-a-required-parameter/153179/10 "2018-12-10T02:48:18Z")
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