From b9d1dc9f58adf7f59a39c0d0b63f874bab2ec13e Mon Sep 17 00:00:00 2001
From: Peter Colapietro <petercolapietro@gmail.com>
Date: Fri, 27 Nov 2020 11:15:04 -0500
Subject: [PATCH] fix(react): add key prop to NotFoundErrorPage route Avoids:
 ``` Warning: Each child in a list should have a unique "key" prop.

Check the render method of `App`. See https://fb.me/react-warning-keys for more information.
    in Route
    in App (at src/index.tsx:6)
```
---
 packages/core-api/src/app/App.tsx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/core-api/src/app/App.tsx b/packages/core-api/src/app/App.tsx
index 9c38c20b44..3d32259337 100644
--- a/packages/core-api/src/app/App.tsx
+++ b/packages/core-api/src/app/App.tsx
@@ -184,7 +184,13 @@ export class PrivateAppImpl implements BackstageApp {
       }
     }
 
-    routes.push(<Route path="/*" element={<NotFoundErrorPage />} />);
+    routes.push(
+      <Route
+        key="not-found-error-page"
+        path="/*"
+        element={<NotFoundErrorPage />}
+      />,
+    );
 
     return routes;
   }