From 70edfcff8097e62a7722760eb61d8c0c7fb5bd97 Mon Sep 17 00:00:00 2001
From: grummbeer <kde@streber24.de>
Date: Mon, 23 Sep 2024 16:49:35 +0200
Subject: [PATCH] Fix undefined array key

---
 src/EventListener/Dca/NavigationDcaListener.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/EventListener/Dca/NavigationDcaListener.php b/src/EventListener/Dca/NavigationDcaListener.php
index 226e3fc..b449c04 100644
--- a/src/EventListener/Dca/NavigationDcaListener.php
+++ b/src/EventListener/Dca/NavigationDcaListener.php
@@ -40,7 +40,11 @@ public function getPageFields(): array
                 continue;
             }
 
-            $fields[$fieldName] = sprintf('%s <span class="tl_gray">[%s]</span>', $config['label'][0], $fieldName);
+            $fields[$fieldName] = sprintf(
+                '%s <span class="tl_gray">[%s]</span>',
+                $config['label'][0] ?? '',
+                $fieldName,
+            );
         }
 
         return $fields;