Manual reverse credit note
Go to MYOB
Create a Debit Memo for the same amount
go to Sales Orders/Invoices
filter type by credit memo and search for the memo by the reference
actions (up the top) => reverse
save and release
Void the existing Credit Memo application to the Invoice
View Applications
Reverse Application Release
Credit Memo / Invoice is open
Now apply Credit Memo to Debit Memo
Go to Credit Memo
Add Documents to Apply Select Debit Memo Release
Apply the Debit Memo to the Credit Memo
Updated on: 06/09/2022
Thank you!