From d50f374d292385f8bf49ab114d110352116d93d4 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@qossmic.com>
Date: Mon, 3 Jun 2024 08:54:18 +0200
Subject: [PATCH] not registered definitions must not be modified

---
 DependencyInjection/FrameworkExtension.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/DependencyInjection/FrameworkExtension.php b/DependencyInjection/FrameworkExtension.php
index f7ab7e3ed..ebaed7c2b 100644
--- a/DependencyInjection/FrameworkExtension.php
+++ b/DependencyInjection/FrameworkExtension.php
@@ -1854,6 +1854,10 @@ private function registerSerializerConfiguration(array $config, ContainerBuilder
             $container->setParameter('serializer.default_context', $defaultContext);
         }
 
+        if (!$container->hasDefinition('serializer.normalizer.object')) {
+            return;
+        }
+
         $arguments = $container->getDefinition('serializer.normalizer.object')->getArguments();
         $context = [];