Supplier refunds showing in Unapplied Cash Bill Payment Expense

Hi All,

Here's hoping someone can help...

1. Supplier [Amazon] pays a refund [£100] into the bank account on [01/03/22]
2. I create a Supplier Credit (supplier [Amazon], payment date [01/03/22], category [Sundry] and amount [£100])
3. I create a Bank Deposit (date [01/03/22], received from [Amazon], account [Creditors] and amount [£100])
4. I create a Cheque (payee [Amazon] and add both deposit and credit from the right hand side)
5. I match the transaction on the for review tab

All good...

Until I run a P&L (on a cash basis) and I have Unapplied Cash Bill Payment Expense show up. It's zero, but it suggests the processing of my refund is somehow wrong.

What could I do to make this Unapplied Cash Bill Payment Expense disappear?