Fatal error: Uncaught Error: Interface "Symfony\Component\Cache\Marshaller\MarshallerInterface" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\cache\Marshaller\DefaultMarshaller.php:21 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\cache\Marshaller\DefaultMarshaller.php on line 21