From f50f13ff1c9960ff64aa2b2a3d2c4798dcf96c0a Mon Sep 17 00:00:00 2001
From: Stephan de Wit <stephan.de.wit@deciso.com>
Date: Fri, 15 May 2026 12:51:55 +0200
Subject: [PATCH] bootgrid: safeguard replace function

(cherry picked from commit 195667f1aa8b1bd959081c26df7832883cdf3fdc)
---
 src/opnsense/www/js/opnsense_bootgrid.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/opnsense/www/js/opnsense_bootgrid.js b/src/opnsense/www/js/opnsense_bootgrid.js
index 3d886d5b80..afeb3beceb 100644
--- a/src/opnsense/www/js/opnsense_bootgrid.js
+++ b/src/opnsense/www/js/opnsense_bootgrid.js
@@ -2244,6 +2244,10 @@ class UIBootgrid {
     }
 
     replace(rows) {
+        if (!Array.isArray(rows) || rows.length === 0) {
+            throw new Error('Cannot replace without data. Use clear() to clear data, or reload() to refresh');
+        }
+
         this.table.replaceData(rows);
     }