From a4c04c17ebdc0d7bfb8d98bcba68fbb6ef699671 Mon Sep 17 00:00:00 2001
From: Marko Simon <marko@ilert.com>
Date: Fri, 23 Dec 2022 12:26:31 +0100
Subject: [PATCH 1/2] add nullchecks for uptimePercentage

Signed-off-by: Marko Simon <marko@ilert.com>
---
 plugins/ilert/src/components/ServicesPage/ServicesTable.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/ilert/src/components/ServicesPage/ServicesTable.tsx b/plugins/ilert/src/components/ServicesPage/ServicesTable.tsx
index 30a83e4cec..2597986031 100644
--- a/plugins/ilert/src/components/ServicesPage/ServicesTable.tsx
+++ b/plugins/ilert/src/components/ServicesPage/ServicesTable.tsx
@@ -86,7 +86,7 @@ export const ServicesTable = ({
     cellStyle: smColumnStyle,
     headerStyle: smColumnStyle,
     render: rowData => (
-      <Typography>{rowData.uptime.uptimePercentage.p90}</Typography>
+      <Typography>{rowData.uptime?.uptimePercentage?.p90 || ''}</Typography>
     ),
   };
   const actionsColumn: TableColumn<Service> = {

From b1279d396dcad51e780bc758b86bc3e8a5b4d489 Mon Sep 17 00:00:00 2001
From: Marko Simon <marko@ilert.com>
Date: Fri, 23 Dec 2022 12:31:55 +0100
Subject: [PATCH 2/2] add changeset

Signed-off-by: Marko Simon <marko@ilert.com>
---
 .changeset/strong-eyes-march.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/strong-eyes-march.md

diff --git a/.changeset/strong-eyes-march.md b/.changeset/strong-eyes-march.md
new file mode 100644
index 0000000000..4f3bbacfc8
--- /dev/null
+++ b/.changeset/strong-eyes-march.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-ilert': patch
+---
+
+fixed error on service page not showing if historical uptime was disabled on a service