Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Controller\ControllerResolver' not found in /home/optinadmin/rfl.optin.co.nz/concrete/src/Controller/ApplicationAwareControllerResolver.php:11 Stack trace: #0 {main} thrown in /home/optinadmin/rfl.optin.co.nz/concrete/src/Controller/ApplicationAwareControllerResolver.php on line 11