Fatal error: Uncaught Error: Interface "Symfony\Component\Cache\Marshaller\MarshallerInterface" not found in /home/custom/public_html/katiekarr/vendor/symfony/cache/Marshaller/DefaultMarshaller.php:21 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/symfony/cache/Marshaller/DefaultMarshaller.php on line 21