Fatal error: Uncaught Error: Interface "Concrete\Core\Area\Layout\Formatter\FormatterInterface" not found in /srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/src/Area/Layout/Formatter/CustomFormatter.php:7 Stack trace: #0 {main} thrown in /srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/src/Area/Layout/Formatter/CustomFormatter.php on line 7