Fatal error: Uncaught Error: Class 'Illuminate\Support\NamespacedItemResolver' not found in /home/optinadmin/rfl.optin.co.nz/concrete/vendor/illuminate/config/Illuminate/Config/Repository.php:7 Stack trace: #0 {main} thrown in /home/optinadmin/rfl.optin.co.nz/concrete/vendor/illuminate/config/Illuminate/Config/Repository.php on line 7