From c506af6763bb7c9b8d7276e80f905827ba1de43e Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Wed, 13 Nov 2024 13:09:38 +0100
Subject: [PATCH] Nested nodes may already be removed during this process

---
 .../install/files/lib/system/bbcode/DomBBCodeParser.class.php   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/system/bbcode/DomBBCodeParser.class.php b/wcfsetup/install/files/lib/system/bbcode/DomBBCodeParser.class.php
index eb4ceb4cdd..9b8df5f265 100644
--- a/wcfsetup/install/files/lib/system/bbcode/DomBBCodeParser.class.php
+++ b/wcfsetup/install/files/lib/system/bbcode/DomBBCodeParser.class.php
@@ -118,7 +118,7 @@ final class DomBBCodeParser extends SingletonFactory
             $node->setAttribute('data-attributes', \base64_encode(JSON::encode($attributes)));
         }
         foreach ($nodes as $node) {
-            $node->parentNode->removeChild($node);
+            $node->parentNode?->removeChild($node);
         }
     }
 
-- 
2.20.1