From 690ce5e42e3bbd1ac003f8d516f0e00402022ad6 Mon Sep 17 00:00:00 2001
From: Christian Kuhn <lolli@schwarzbu.ch>
Date: Wed, 11 Jan 2023 11:39:39 +0100
Subject: [PATCH] [BUGFIX] Avoid undef array key in ContentObjectRenderer

Resolves: #98995
Releases: main, 11.5
Change-Id: I70cd2ed6ba9efe3a4e4216a61903157f1421568f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/77333
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
---
 .../frontend/Classes/ContentObject/ContentObjectRenderer.php    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php b/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php
index 1866b743c94f..cf767932e2b6 100644
--- a/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php
+++ b/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php
@@ -1187,7 +1187,7 @@ class ContentObjectRenderer implements LoggerAwareInterface
     {
         $tstamp = (int)$tstamp;
         $tsfe = $this->getTypoScriptFrontendController();
-        if ($tstamp > (int)$tsfe->register['SYS_LASTCHANGED']) {
+        if ($tstamp > (int)($tsfe->register['SYS_LASTCHANGED'] ?? 0)) {
             $tsfe->register['SYS_LASTCHANGED'] = $tstamp;
         }
     }
-- 
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