# "reason": "Invalid index name \[\_watcher\], must not start with '\_'",

**URL:** <https://discuss.elastic.co/t/reason-invalid-index-name--watcher-must-not-start-with--/68568>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-alerting\
**Created:** [December 9, 2016, 1:34pm UTC](https://discuss.elastic.co/t/reason-invalid-index-name--watcher-must-not-start-with--/68568 "2016-12-09T13:34:51Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![spinscale](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/spinscale/32/25011_2.png) [@spinscale](https://discuss.elastic.co/u/spinscale)\
**Post date:** [December 12, 2016, 2:31pm UTC](https://discuss.elastic.co/t/reason-invalid-index-name--watcher-must-not-start-with--/68568/6 "2016-12-12T14:31:24Z")

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Can you also show the settings of your `elasticsearch.yaml` config and provide the full watch? I also assume doing the same call via curl fails as well?

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_[View the full topic](https://discuss.elastic.co/t/reason-invalid-index-name--watcher-must-not-start-with--/68568)._