UPI error XY: Remitter CBS offline
Raised by: Payer's bank. Source: NPCI, UPI Error and Response Codes v2.9.
What it means
The payer's core banking system was offline. UPI reached the bank, but the bank couldn't reach the account.
No.
Technical: a system didn't respond or failed.
What you should do
Banks often take core systems down for maintenance late at night. Try later, or use another bank account.
If you run a payments business
Usually short-lived, so a delayed retry is reasonable. Track it by bank.
Related codes
If it still isn't sorted
- Raise a complaint inside your UPI app. Every UPI app has a help or dispute option on the transaction, and it goes into NPCI's online dispute system. Keep the UPI transaction ID or RRN handy.
- If the app doesn't resolve it, contact your bank's grievance desk with the same reference.
- If your bank hasn't replied within 30 days, or you're not happy with the reply, complain to the RBI Ombudsman at cms.rbi.org.in. It's free.
Technical or business decline?
NPCI splits declines into two kinds. A technical decline means a system didn't respond or failed: a bank offline, a timeout, a switch error. A business decline means the systems worked and said no, for a reason about the account or the payment: wrong PIN, not enough money, a limit, a risk check. Retrying helps with some technical declines and almost never with business ones.