We received this email and saying that we never pay for below.
When we check in system, there is no record for this CN. That is why we record this CN and deduct this in payment.
By the way, after received your mail, we noticed that this CN has been deducted in GRN#12787GT batch#65035.
It is difficult for us to remember those CN which already deducted in GRN.
We will refund this amount to vendor in next payment.