codeigniter 2.0 Fatal error: Class 'Controller' not found in

Question

i have download the new codeigniter 2.0 and put my controller,model and view files in the new codeigniter 2.0 installation. but i got this error

Fatal error: Class

Answer 1

Make sure the Controller's name matches the prefix defined in the config:

By default, the config has:

$config['subclass_prefix'] = 'MY_';

If your controller is core/SomeController.php it won't be found because it doesn't start with MY_