Why doesn't CCatalogDiscountCoupon::Update work?

Question

1C-Bitrix

require_once($_SERVER['DOCUMENT_ROOT'] . "/bitrix/modules/main/include/prolog_before.php");

use Bitrix\Main\Loader;
\Bitrix\Main\Loader::includeModule('catalog');
\Bitrix\Main\Loader::includeModule('sale');

$arFields = [
  'ACTIVE' => 'N'
];

CCatalogDiscountCoupon::Update(
  '1',
  $arFields
);