From e1bc0e2b49b5ea64ed0fa645e923f8566fdf0d33 Mon Sep 17 00:00:00 2001
From: Daniel Gohlke <daniel.gohlke@codappix.com>
Date: Thu, 29 Jan 2026 08:59:45 +0100
Subject: [PATCH] [BUGFIX] Add fallback for undefined array key list_type

Relates: #112
---
 Classes/Hooks/DatamapDataHandlerHook.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Classes/Hooks/DatamapDataHandlerHook.php b/Classes/Hooks/DatamapDataHandlerHook.php
index cb0ab7fe..71c2a8f7 100644
--- a/Classes/Hooks/DatamapDataHandlerHook.php
+++ b/Classes/Hooks/DatamapDataHandlerHook.php
@@ -47,7 +47,7 @@ public function processDatamap_beforeStart(DataHandler $dataHandler): void
 
             $page = BackendUtility::getRecord('pages', abs($pageId));
 
-            if (!$this->isAllowedTargetPage($incomingFieldArray['list_type'], $page['doktype'])) {
+            if (!$this->isAllowedTargetPage($incomingFieldArray['list_type'] ?? '', $page['doktype'])) {
                 unset($dataHandler->datamap['tt_content'][$id]);
                 $dataHandler->log(
                     'tt_content',