# How do I fix "Invalid FieldReference" errors?

**URL:** https://discuss.elastic.co/t/how-do-i-fix-invalid-fieldreference-errors/283912
**Category:** Logstash
**Tags:** docker
**Created:** [September 10, 2021, 7:14pm UTC](https://discuss.elastic.co/t/how-do-i-fix-invalid-fieldreference-errors/283912 "2021-09-10T19:14:50Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)
#### Post date: [September 10, 2021, 7:39pm UTC](https://discuss.elastic.co/t/how-do-i-fix-invalid-fieldreference-errors/283912/2 "2021-09-10T19:39:24Z")

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> [@mrled](#):
>
> `org.logstash.beats.BeatsHandler`

I believe that is part of the beats input, so the exception is occurring before the event gets to the pipeline. You will not be able to fix it with a filter.

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