Missing Method in ParticipantcompaniesController

Error: The action index is not defined in controller ParticipantcompaniesController

Error: Create ParticipantcompaniesController::index() in file: app/controllers/participantcompanies_controller.php.

<?php
class ParticipantcompaniesController extends AppController {

	var $name = 'Participantcompanies';


	function index() {

	}

}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_action.ctp