# \[invalid\_type\_name\_exception\] Document mapping type name can't start with '\_'
**URL:** https://discuss.elastic.co/t/invalid-type-name-exception-document-mapping-type-name-cant-start-with--/63626
**Category:** Kibana
**Created:** [October 21, 2016, 2:48pm UTC](https://discuss.elastic.co/t/invalid-type-name-exception-document-mapping-type-name-cant-start-with--/63626 "2016-10-21T14:48:48Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@Nkuli\_Stunna](https://discuss.elastic.co/u/Nkuli_Stunna)
#### Post date: [October 21, 2016, 2:48pm UTC](https://discuss.elastic.co/t/invalid-type-name-exception-document-mapping-type-name-cant-start-with--/63626/1 "2016-10-21T14:48:48Z")
I am new to Kibana and trying to use the Kibana Graph Plugin
I keep getting this error :
[invalid\_type\_name\_exception] Document mapping type name can't start with '\_'
and I am not sure what the problem is
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### Author:  [@Bargs](https://discuss.elastic.co/u/Bargs)
#### Post date: [October 21, 2016, 5:23pm UTC](https://discuss.elastic.co/t/invalid-type-name-exception-document-mapping-type-name-cant-start-with--/63626/2 "2016-10-21T17:23:57Z")
Sounds like the error is coming from elasticsearch, any further info in your ES logs?
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### Author:  [@Nkuli\_Stunna](https://discuss.elastic.co/u/Nkuli_Stunna)
#### Post date: [October 23, 2016, 7:52am UTC](https://discuss.elastic.co/t/invalid-type-name-exception-document-mapping-type-name-cant-start-with--/63626/3 "2016-10-23T07:52:15Z")
Hi . Yeah it seems like it was coming from ES so i restarted that both Kibana and ES and the error was resolved thank you for you assistance.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 1:36pm UTC](https://discuss.elastic.co/t/invalid-type-name-exception-document-mapping-type-name-cant-start-with--/63626/4 "2017-07-06T13:36:00Z")