# Trace sample logs error KQL

**URL:** <https://discuss.elastic.co/t/trace-sample-logs-error-kql/313703>\
**Category:** Kibana\
**Created:** [September 5, 2022, 4:23pm UTC](https://discuss.elastic.co/t/trace-sample-logs-error-kql/313703 "2022-09-05T16:23:12Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![davjl](https://avatars.discourse-cdn.com/v4/letter/d/bc8723/32.png) [@davjl](https://discuss.elastic.co/u/davjl)\
**Post date:** [September 5, 2022, 4:23pm UTC](https://discuss.elastic.co/t/trace-sample-logs-error-kql/313703/1 "2022-09-05T16:23:12Z")

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Hi All,

We have recently upgraded our older ELK cluster which was on 7.15.2 to 8.4, We used Log correlation but when upgrade cluster we have the next error

 ![error](https://us1.discourse-cdn.com/elastic/original/3X/0/8/082e181b30d27e3cd63c553e26dcb64598715a0b.png)  
When use investigate \> trace logs I have results  
 ![stream](https://us1.discourse-cdn.com/elastic/original/3X/2/a/2a689a689d52311566fd0459685bbfde51a6ec48.png)

do i need to configure something?  
thank you.

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**Author:** ![stephenb](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/stephenb/32/40856_2.png) [@stephenb](https://discuss.elastic.co/u/stephenb)\
**Post date:** [September 6, 2022, 11:38pm UTC](https://discuss.elastic.co/t/trace-sample-logs-error-kql/313703/2 "2022-09-06T23:38:23Z")

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Hi @davjl Welcome to the Community and Apologies for the issue!

Yup! This is a bug and _ **should** _ be fixed soon in 8.4.2 is my understanding, but that is not a promise.

I don't have the github issue, if I find it I post it.

> <https://github.com/elastic/kibana/pull/139694>
>
> \## Summary
> 
> Fixes
> 
> !\[image\](https://user-images.githubusercontent.com/336934…6/187406488-657482f4-5961-4554-a25d-f5b120b7b358.png)

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [October 4, 2022, 11:38pm UTC](https://discuss.elastic.co/t/trace-sample-logs-error-kql/313703/3 "2022-10-04T23:38:57Z")

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