From d900c85670b41dde34459d4639e894f112c7f01a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tu=C4=9F=C3=A7e=20K=C3=BC=C3=A7=C3=BCko=C4=9Flu?=
 <tugcekucukoglu.860@gmail.com>
Date: Thu, 26 Jan 2023 15:59:45 +0300
Subject: [PATCH] Fixed #3571 - DataTable: tabbing error with row select and
 expanded rows enabled

---
 components/datatable/DataTable.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/datatable/DataTable.vue b/components/datatable/DataTable.vue
index bf34932d9..c42f7e8ba 100755
--- a/components/datatable/DataTable.vue
+++ b/components/datatable/DataTable.vue
@@ -1117,7 +1117,7 @@ export default {
 
                 if (firstSelectedRow) {
                     firstSelectedRow.tabIndex = '0';
-                    focusedItem !== firstSelectedRow && (focusedItem.tabIndex = '-1');
+                    focusedItem && focusedItem !== firstSelectedRow && (focusedItem.tabIndex = '-1');
                 } else {
                     rows[0].tabIndex = '0';
                     focusedItem !== rows[0] && (rows[rowIndex].tabIndex = '-1');