From 9750e0e0b5b2ebaf4ef3a24e3c473146d4a908c2 Mon Sep 17 00:00:00 2001
From: puddly <32534428+puddly@users.noreply.github.com>
Date: Wed, 4 Jan 2023 05:29:47 -0500
Subject: [PATCH] Ensure Lovelace `deviceEntries` lookup handles missing keys
 (#14980)

fixes undefined
---
 src/panels/lovelace/common/generate-lovelace-config.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/panels/lovelace/common/generate-lovelace-config.ts b/src/panels/lovelace/common/generate-lovelace-config.ts
index 07b99cb22d..661334392d 100644
--- a/src/panels/lovelace/common/generate-lovelace-config.ts
+++ b/src/panels/lovelace/common/generate-lovelace-config.ts
@@ -59,7 +59,7 @@ const splitByAreaDevice = (
   for (const entity of Object.values(entityEntries)) {
     const areaId =
       entity.area_id ||
-      (entity.device_id && deviceEntries[entity.device_id].area_id);
+      (entity.device_id && deviceEntries[entity.device_id]?.area_id);
     if (areaId && areaId in areaEntries && entity.entity_id in allEntities) {
       if (!(areaId in areasWithEntities)) {
         areasWithEntities[areaId] = [];