Error

PHP Noticeyii\base\ErrorException

Trying to get property of non-object

$_GET = [
    'title' => '%E5%94%AE%E5%89%8D%E5%92%A8%E8%AF%A2',
    'type' => 'contact',
    'number' => '10',
];

$_SESSION = [
    '__flash' => [],
];