Fatal error: Uncaught Error: Interface "Symfony\Component\Translation\Dumper\DumperInterface" not found in /srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/vendor/symfony/translation/Dumper/FileDumper.php:26 Stack trace: #0 {main} thrown in /srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/vendor/symfony/translation/Dumper/FileDumper.php on line 26