From 62547738de7173fcf1b9c9139e63f504f68106fb Mon Sep 17 00:00:00 2001
From: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
Date: Wed, 6 Nov 2024 01:38:27 +1100
Subject: [PATCH] [8.x] [Observability] [Alerts table] Fix cannot display
 alerts error (#198914) (#198940)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[Observability] [Alerts table] Fix cannot display alerts error
(#198914)](https://github.com/elastic/kibana/pull/198914)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Bena
Kansara","email":"69037875+benakansara@users.noreply.github.com"},"sourceCommit":{"committedDate":"2024-11-05T12:57:32Z","message":"[Observability]
[Alerts table] Fix cannot display alerts error (#198914)\n\nResolves
https://github.com/elastic/kibana/issues/198912\r\n\r\n### Testing\r\n-
Create ES query rule in Observability\r\n- Open Alert flyout of the ES
query alert\r\n- Verify that Alert flyout opens as
expected","sha":"f8c01d41d2dc6c4c4d096c485b48dc7decafd873","branchLabelMapping":{"^v9.0.0$":"main","^v8.17.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","ci:project-deploy-observability","Team:obs-ux-management","v8.16.0","backport:version","v8.17.0","v8.15.4"],"title":"[Observability]
[Alerts table] Fix cannot display alerts
error","number":198914,"url":"https://github.com/elastic/kibana/pull/198914","mergeCommit":{"message":"[Observability]
[Alerts table] Fix cannot display alerts error (#198914)\n\nResolves
https://github.com/elastic/kibana/issues/198912\r\n\r\n### Testing\r\n-
Create ES query rule in Observability\r\n- Open Alert flyout of the ES
query alert\r\n- Verify that Alert flyout opens as
expected","sha":"f8c01d41d2dc6c4c4d096c485b48dc7decafd873"}},"sourceBranch":"main","suggestedTargetBranches":["8.16","8.x","8.15"],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/198914","number":198914,"mergeCommit":{"message":"[Observability]
[Alerts table] Fix cannot display alerts error (#198914)\n\nResolves
https://github.com/elastic/kibana/issues/198912\r\n\r\n### Testing\r\n-
Create ES query rule in Observability\r\n- Open Alert flyout of the ES
query alert\r\n- Verify that Alert flyout opens as
expected","sha":"f8c01d41d2dc6c4c4d096c485b48dc7decafd873"}},{"branch":"8.16","label":"v8.16.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"8.x","label":"v8.17.0","branchLabelMappingKey":"^v8.17.0$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"8.15","label":"v8.15.4","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Bena Kansara <69037875+benakansara@users.noreply.github.com>
---
 .../alert_overview/helpers/map_rules_params_with_flyout.ts      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/x-pack/plugins/observability_solution/observability/public/components/alert_overview/helpers/map_rules_params_with_flyout.ts b/x-pack/plugins/observability_solution/observability/public/components/alert_overview/helpers/map_rules_params_with_flyout.ts
index b5819631406d7..e9e8714bf85b9 100644
--- a/x-pack/plugins/observability_solution/observability/public/components/alert_overview/helpers/map_rules_params_with_flyout.ts
+++ b/x-pack/plugins/observability_solution/observability/public/components/alert_overview/helpers/map_rules_params_with_flyout.ts
@@ -286,7 +286,7 @@ export const mapRuleParamsWithFlyout = (alert: TopAlert): FlyoutThresholdData[]
       const { thresholdComparator, threshold } = ruleParams as EsQueryRuleParams;
       const ESQueryFlyoutMap = {
         observedValue: [alert.fields[ALERT_EVALUATION_VALUE]],
-        threshold: threshold.join(' AND '),
+        threshold: [threshold].flat().join(' AND '),
         comparator: thresholdComparator,
         pctAboveThreshold: getPctAboveThreshold(
           threshold,