From 216dbc4d41830ac9bfde5655b2d0fbfff4c2d917 Mon Sep 17 00:00:00 2001
From: Paul Bottein <paul.bottein@gmail.com>
Date: Mon, 2 Sep 2024 13:21:13 +0200
Subject: [PATCH] Fix section not displayed when empty and string config
 (#21852)

---
 src/panels/lovelace/sections/hui-grid-section.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/panels/lovelace/sections/hui-grid-section.ts b/src/panels/lovelace/sections/hui-grid-section.ts
index 349521228b..fdf9317d73 100644
--- a/src/panels/lovelace/sections/hui-grid-section.ts
+++ b/src/panels/lovelace/sections/hui-grid-section.ts
@@ -48,7 +48,10 @@ export class GridSection extends LitElement implements LovelaceSectionElement {
   private _cardConfigKeys = new WeakMap<LovelaceCardConfig, string>();
 
   private _getKey(cardConfig: LovelaceCardConfig) {
-    if (!this._cardConfigKeys.has(cardConfig)) {
+    if (
+      !this._cardConfigKeys.has(cardConfig) &&
+      typeof cardConfig === "object"
+    ) {
       this._cardConfigKeys.set(cardConfig, Math.random().toString());
     }
     return this._cardConfigKeys.get(cardConfig)!;