From fc923534772b20b3f5ce07864eec3c99d3b4b323 Mon Sep 17 00:00:00 2001
From: Stanislaw Malinowski <stanislaw.malinowski@diamond.ac.uk>
Date: Fri, 28 Jun 2024 09:46:21 +0000
Subject: [PATCH] add small error handling

---
 .../packages/app/src/components/dev-guide/GuideDocsPage.tsx   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/backstage/packages/app/src/components/dev-guide/GuideDocsPage.tsx b/backstage/packages/app/src/components/dev-guide/GuideDocsPage.tsx
index fb722514..fc599af8 100644
--- a/backstage/packages/app/src/components/dev-guide/GuideDocsPage.tsx
+++ b/backstage/packages/app/src/components/dev-guide/GuideDocsPage.tsx
@@ -7,7 +7,9 @@ import { rootDocsRouteRef } from '../../routes';
 
 // based on this https://github.com/backstage/backstage/blob/master/plugins/techdocs/src/reader/components/TechDocsReaderPage/TechDocsReaderPage.tsx
 export const DeveloperGuidePage = () => {
-  const { kind, name, namespace } = useRouteRefParams(rootDocsRouteRef);
+  let { kind, name, namespace } = useRouteRefParams(rootDocsRouteRef);
+  kind = kind || 'unknown';
+
   const entityRef = { kind, name, namespace };
 
   return (