Reversing a return on Pastel V3

[BusFact]

There are at least three ways of correcting it:

1) Make an invoice to cancel out the incorrect credit note.
2) Pastel also has a "debit note" option (in the drop down menu with invoices and credit notes) which can be used for the same purpose.
3) Do a journal where your Debit the customer and credit the sales account (must be a VAT jnl if you're vat registered)