Fatal error: Uncaught Error: Class 'Concrete\Core\Page\Controller\DashboardPageController' not found in /home/optinadmin/rfl.optin.co.nz/concrete/controllers/single_page/dashboard/extend/install.php:15 Stack trace: #0 {main} thrown in /home/optinadmin/rfl.optin.co.nz/concrete/controllers/single_page/dashboard/extend/install.php on line 15