А вот это совсем интересно... - ошибка уже сразу в момент активации и сохранения настроек дополнения:
2020/05/30 18:02:35 [warn] 555#555: *4427 an upstream response is buffered to a temporary file /var/cache/nginx/engintron_temp/0000000244 while reading upstream, client: xx.xx.xx.xxx, server: xxxxxx.ru, request: "GET /wp-admin/admin.php?page=manage-addon-recall&update-addon=activate&paged=2 HTTP/1.1", upstream: "http://127.0.0.1:8080/wp-admin/admin.php?page=manage-addon-recall&update-addon=activate&paged=2", host: "xxxxx.ru", referrer: "https://xxxxx.ru/wp-admin/admin.php?page=manage-addon-recall&update-addon=activate"
2020/05/30 18:02:44 [warn] 555#555: *4427 an upstream response is buffered to a temporary file /var/cache/nginx/engintron_temp/0000000245 while reading upstream, client: xx.xx.xx.xxx, server: xxxxx.ru, request: "GET /wp-admin/admin.php?page=manage-addon-recall&update-addon=activate HTTP/1.1", upstream: "http://127.0.0.1:8080/wp-admin/admin.php?page=manage-addon-recall&update-addon=activate", host: "xxxxx.ru", referrer: "https://xxxxx.ru/wp-admin/admin.php?page=manage-addon-recall&update-addon=activate&paged=2"
А после того как попробовал оплатить соответственно вот так вышло:
[Sat May 30 18:16:08.323635 2020] [fcgid:warn] [pid 874] [client xx.xx.xxx.xxx:xxxxx] mod_fcgid: stderr: PHP Fatal error: Uncaught YandexCheckout\Common\Exceptions\BadApiRequestException: Payment method is not available. Error code: invalid_request. in /var/www/xxxxx/data/www/xxxxx.ru/wp-content/wp-recall/add-on/yandexkassa-api-gateway/lib/Client/BaseClient.php:306, referer:
[Sat May 30 18:16:08.323709 2020] [fcgid:warn] [pid 874] [client xx.xx.xxx.xxx:xxxxx] mod_fcgid: stderr: Stack trace:, referer:
[Sat May 30 18:16:08.323720 2020] [fcgid:warn] [pid 874] [client xx.xx.xxx.xxx:xxxxx] mod_fcgid: stderr: #0 /var/www/xxxxx/data/www/xxxxx.ru/wp-content/wp-recall/add-on/yandexkassa-api-gateway/lib/Client.php(247): YandexCheckout\Client\BaseClient->handleError(Object(YandexCheckout\Common\ResponseObject)), referer:
[Sat May 30 18:16:08.323730 2020] [fcgid:warn] [pid 874] [client xx.xx.xxx.xxx:xxxxx] mod_fcgid: stderr: #1 /var/www/xxxxx/data/www/xxxxx.ru/wp-content/wp-recall/add-on/yandexkassa-api-gateway/index.php(216): YandexCheckout\Client->createPayment(Object(YandexCheckout\Request\Payments\CreatePaymentRequest), '5ed2a2e81256e1....'), referer:
[Sat May 30 18:16:08.323740 2020] [fcgid:warn] [pid 874] [client xx.xx.xxx.xxx:xxxxx] mod_fcgid: stderr: #2 /var/www/xxxxx/data/www/xxxxx.ru/wp-content/plugins/wp-recall/add-on/user-balance/class-rcl-payment.php(257): Rcl_API_Yandexkassa_Payment->pay_form(Object(Rcl_Payment)), referer:
[Sat May 30 18:16:08.323749 2020] [fcgid:warn] [pid 874] [client xx.xx.xxx.xxx:xxxxx] mod_fcgid: stderr: #3 /var/www/xxxxx/data/www/xxxxx.ru/wp-content/plugins/wp-recall/add-on/user-balance/shortcodes.php(18): Rcl_Payment->get_form(), referer:
[Sat May 30 18:16:08.323759 2020] [fcgid:warn] [pid 874] [client xx.xx.xxx.xxx:xxxxx] mod_fcgid: stderr: #4 /var/ in /var/www/xxxxx/data/www/xxxxx.ru/wp-content/wp-recall/add-on/yandexkassa-api-gateway/lib/Client/BaseClient.php on line 306, referer: