Fatal error: Uncaught Error: Class 'Jeremeamia\SuperClosure\SerializableClosure' not found in /home/optinadmin/rfl.optin.co.nz/concrete/vendor/illuminate/support/Illuminate/Support/SerializableClosure.php:8 Stack trace: #0 {main} thrown in /home/optinadmin/rfl.optin.co.nz/concrete/vendor/illuminate/support/Illuminate/Support/SerializableClosure.php on line 8