# Kibana Upgrade 9.1.0 Issues

**URL:** <https://discuss.elastic.co/t/kibana-upgrade-9-1-0-issues/380675>\
**Category:** Kibana\
**Created:** [August 1, 2025, 4:23pm UTC](https://discuss.elastic.co/t/kibana-upgrade-9-1-0-issues/380675 "2025-08-01T16:23:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![erikg](https://avatars.discourse-cdn.com/v4/letter/e/91b2a8/32.png) [@erikg](https://discuss.elastic.co/u/erikg)\
**Post date:** [August 1, 2025, 4:23pm UTC](https://discuss.elastic.co/t/kibana-upgrade-9-1-0-issues/380675/1 "2025-08-01T16:23:21Z")

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Hello,

Recently upgraded from 9.0.3 to 9.1.0:  
Looks like these errors keep popping up in the kibana logs:

```
            illegal_argument_exception: Result window is too large, from + size must be less than or equal to: [10000] but was [20000]. See the scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level setting., caused by: "Result window is too large, from + size must be less than or equal to: [10000] but was [20000]. See the scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level setting.,Result window is too large, from + size must be less than or equal to: [10000] but was [20000]. See the scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level setting." - ResponseError: search_phase_execution_exception
     Caused by:
             illegal_argument_exception: Result window is too large, from + size must be less than or equal to: [10000] but was [20000]. See the scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level setting.

```

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<div class="post-metadata">

**Author:** ![erikg](https://avatars.discourse-cdn.com/v4/letter/e/91b2a8/32.png) [@erikg](https://discuss.elastic.co/u/erikg)\
**Post date:** [August 1, 2025, 4:25pm UTC](https://discuss.elastic.co/t/kibana-upgrade-9-1-0-issues/380675/2 "2025-08-01T16:25:01Z")

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This seems to affect all my alerts:

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/4/f/4f1c716e872391afa6d9c01acff16a8bdb7fe7cf.png)