Error

PHP Noticeyii\base\ErrorException

Trying to get property of non-object

$_GET = [
    'title' => '%E5%85%A8%E8%87%AA%E5%8A%A8%E6%A0%B8%E9%85%B8%E6%A3%80%E6%B5%8B%E5%88%86%E6%9E%90%E7%B3%BB%E7%BB%9F',
    'type' => 'product',
];

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