Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\SerializerInterface" not found in /home/.sites/114/site713/web/energiepackung2024/vendor/symfony/serializer/Serializer.php:49
Stack trace:
#0 {main}
  thrown in /home/.sites/114/site713/web/energiepackung2024/vendor/symfony/serializer/Serializer.php on line 49