Платеж не прошел. Попробуйте еще …

Здравствуйте, прошу помочь.

Установил плагин, указал все данные и сделал первичную настройку по документации.
Но процесс оплаты товара не происходит, на странице выводит ошибку
“Платеж не прошел. Попробуйте еще или выберите другой способ оплаты”

В логах показывает:

[2020-05-19 04:16:55] [info] Message: Response with code 401 received. 
[2020-05-19 04:16:58] [info] Message: Send request: GET /payments/00000000-0000-0000-0000-000000000001 
[2020-05-19 04:16:58] [info] Message: Response with code 401 received. 
[2020-05-19 04:16:59] [info] Message: Send request: GET /payments/00000000-0000-0000-0000-000000000001 
[2020-05-19 04:16:59] [info] Message: Response with code 401 received. 
[2020-05-19 04:17:02] [info] Message: Send request: GET /payments/00000000-0000-0000-0000-000000000001 
[2020-05-19 04:17:02] [info] Message: Response with code 401 received. 
[2020-05-19 04:18:07] [info] Message: Return url: https://ostanin.ru/checkout/order-pay/617/?key=wc_order_H2jj4fo9PK7pY 
[2020-05-19 04:18:07] [info] Message: Create payment request: {"amount":{"value":"1200.00","currency":"RUB"},"description":"\u041e\u043f\u043b\u0430\u0442\u0430 \u0437\u0430\u043a\u0430\u0437\u0430 \u2116617","confirmation":{"type":"redirect","return_url":"https:\/\/ostanin.ru\/yamoney\/returnUrl?ym-order-id=wc_order_H2jj4fo9PK7pY"},"metadata":{"cms_name":"ya_api_woocommerce","module_version":"1.3.8","wp_user_id":"0"},"capture":true,"save_payment_method":false} 
[2020-05-19 04:18:07] [info] Message: Send request: POST /payments 
[2020-05-19 04:18:07] [info] Message: Response with code 400 received. 
[2020-05-19 04:18:07] [error] Message: Api error: Error in the gateway_id parameter (subaccount's or client's ID). Contact the Yandex.Checkout manager and ask the gateway_id value and whether or not you need to send it. Error code: invalid_request. Parameter name: recipient. 
[2020-05-19 04:18:12] [info] Message: Send request: GET /payments/00000000-0000-0000-0000-000000000001 
[2020-05-19 04:18:13] [info] Message: Response with code 401 received. 
[2020-05-19 04:18:14] [info] Message: Send request: GET /payments/