Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Mapping\Loader\LoaderInterface" not found in /home/.sites/114/site713/web/energiepackung2024/vendor/symfony/serializer/Mapping/Loader/AnnotationLoader.php:34
Stack trace:
#0 {main}
  thrown in /home/.sites/114/site713/web/energiepackung2024/vendor/symfony/serializer/Mapping/Loader/AnnotationLoader.php on line 34