Refund causing error

Hi,

We’re getting an error when trying to make a revolut refund on our woocommerce site. The error is

[21-Dec-2022 06:04:46 UTC] Failed request to URL POST https://merchant.revolut.com/api/1.0/orders/63A26644-DA55-AAE5-BF47-9863FAE31330/refund
[21-Dec-2022 06:04:46 UTC] {“timestamp”:1671602686005,”code”:1026,”errorId”:”c698539b-bba4-44e4-b6af-230c0a891eec”}

Can you advise please.

Thanks,

Andy