From c537a8df335ed914bd357a5ae94e3f4fa24d9bd6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Wed, 4 Feb 2026 15:29:51 +0100
Subject: [PATCH] Test if width is set before testing if it ends width '%'

Closes #14578
---
 sao/src/view/tree.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sao/src/view/tree.js b/sao/src/view/tree.js
index a8a935b0e1..c10a082eec 100644
--- a/sao/src/view/tree.js
+++ b/sao/src/view/tree.js
@@ -1070,7 +1070,7 @@
                     } else {
                         width = column.col.data('default-width');
                     }
-                    if (width.endsWith('%')) {
+                    if (width && width.endsWith('%')) {
                         width = parseInt(width.slice(0, -1), 10) / 100;
                         if (column.attributes.expand) {
                             width /= parseInt(column.attributes.expand, 10);