PayUMoney — payment failure. error code: eferr021

I was doing payment for BitsHD application. Payment is deducted from my account but on page it was showing Error code: Eferr021.

Some details:
Mode: Cred UPI
Successful Payment transaction id in my Cred App:[protected]
Date: 19/04/2024
Time: 12:15 PM

Kindly please resolve this issue or refund payment.