gistfile1.txt

<?php

// Error:  /disclaimer - Call to a member function render() on null

use Symfony\Component\HttpFoundation\Request;

$controller = $app['controllers_factory'];

/**
 * GET|HEAD: https://domain.org/disclaimer. 
 */ 
$controller->get('/disclaimer', function ($controller) {
	$data['title'] = 'Disclaimer';

    return $controller['twig']->render('disclaimer.twig', $data);
});

return $controller;