Битрикс, 18 версия, после перехода с 17 версии появилась такая же ошибка при попытке оплаты:
[2019-01-28T14:51:03.181+03:00] INFO [int-ssl-services5] [POST/layout_sevices/shop_info/paymentApproval] [bcb41ce2078e5ad3] [23e0ffcc-000f-5000-8000-166c1529f402] [CommonHTTPStub] Request params:
orderSumAmount=1300.70
shopArticleId=292859
cms_name=1C-Bitrix
paymentPayerCode=42000400000002
paymentType=SB
requestDatetime=2019-01-28T14:51:03.180+03:00
nst_eplPayment=true
cps_user_country_code=RU
orderCreatedDatetime=2019-01-28T14:48:45.523+03:00
action=checkOrder
shopId=57666
scid=52992
seller_id=57666
shopSumBankPaycash=1001
BuyButton=Оплатить
shopSumCurrencyPaycash=643
rebillingOn=false
orderSumBankPaycash=1001
orderSumCurrencyPaycash=643
unilabel=23e0ffcc-000f-5000-8000-166c1529f402
customerNumber=6115072
environment=Live
invoiceId=2001567393810
shopSumAmount=1253.87
md5=B19FE8CB0326650B1E47375027820CCA
[2019-01-28T14:51:03.362+03:00] INFO [int-ssl-services5] [POST/layout_sevices/shop_info/paymentApproval] [bcb41ce2078e5ad3] [23e0ffcc-000f-5000-8000-166c1529f402] [CommonHTTPSCAConnector] 180 ms for
[2019-01-28T14:51:03.362+03:00] WARN [int-ssl-services5] [POST/layout_sevices/shop_info/paymentApproval] [bcb41ce2078e5ad3] [23e0ffcc-000f-5000-8000-166c1529f402] [CommonHTTPStub] Response is not XML: response=
По транзакции 2001568943199 платеж был отклонен банком эмитентом с комментарием "Отказ сети проводить транзакцию".
