# Watcher: Error 400 Bad Request: json argument must contain a watchStatusJson property
**URL:** https://discuss.elastic.co/t/watcher-error-400-bad-request-json-argument-must-contain-a-watchstatusjson-property/120115
**Category:** Elasticsearch
**Created:** [February 16, 2018, 7:54am UTC](https://discuss.elastic.co/t/watcher-error-400-bad-request-json-argument-must-contain-a-watchstatusjson-property/120115 "2018-02-16T07:54:53Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@rippfx](https://discuss.elastic.co/u/rippfx)
#### Post date: [February 16, 2018, 7:54am UTC](https://discuss.elastic.co/t/watcher-error-400-bad-request-json-argument-must-contain-a-watchstatusjson-property/120115/1 "2018-02-16T07:54:54Z")
Just upgraded to 6.2 from 5.6. everything seems to work except watcher. I'm getting this error when clicking Watcher under management.
Watcher: Error 400 Bad Request: json argument must contain a watchStatusJson property
Any idea what this could be?
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### Author:  [@lukas](https://discuss.elastic.co/u/lukas)
#### Post date: [February 16, 2018, 6:33pm UTC](https://discuss.elastic.co/t/watcher-error-400-bad-request-json-argument-must-contain-a-watchstatusjson-property/120115/2 "2018-02-16T18:33:58Z")
When you upgraded, did you use the upgrade assistant?
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### Author:  [@rippfx](https://discuss.elastic.co/u/rippfx)
#### Post date: [February 16, 2018, 6:40pm UTC](https://discuss.elastic.co/t/watcher-error-400-bad-request-json-argument-must-contain-a-watchstatusjson-property/120115/4 "2018-02-16T18:40:07Z")
I didn't know of a upgrade assistant. where do I download it and could I have possibly botched this upgrade?
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### Author:  [@rippfx](https://discuss.elastic.co/u/rippfx)
#### Post date: [February 20, 2018, 8:51pm UTC](https://discuss.elastic.co/t/watcher-error-400-bad-request-json-argument-must-contain-a-watchstatusjson-property/120115/5 "2018-02-20T20:51:16Z")
found the solution.
> [@ES 5.4 =\> 6.0 Upgrade. Watcher Issues](https://discuss.elastic.co/t/es-5-4-6-0-upgrade-watcher-issues/108481):
>
> I have upgrade ES from 5.4 to 6.0, including Kibana and all the plugins we have installed. They are discovery-ec2, repository-s3, and x-pack. I followed the upgrade instructions as listed here: [https://www.elastic.co/guide/en/elasticsearch/reference/6.0/restart-upgrade.html](https://www.elastic.co/guide/en/elasticsearch/reference/6.0/restart-upgrade.html). Everything went well including remapping the Kibana index. The logs for my cluster keep dumping the following though... [WARN][o.e.x.w.WatcherLifeCycleService] [MEEC-x7] not starting watcher, upgrade API run required: .wat…
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [March 20, 2018, 8:51pm UTC](https://discuss.elastic.co/t/watcher-error-400-bad-request-json-argument-must-contain-a-watchstatusjson-property/120115/6 "2018-03-20T20:51:31Z")
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