A bill which includes an OTN posting type, where the bill is paid by an NTO posting type, cannot be reversed.
Instead, follow the instructions below to post a credit bill.
In DPS Financial Director, post a NTO to contra the original OTN posting and untick the box "If For Bills".
Post a negative bill, via Bills, click Add Profit Costs.
Select the Nominal code.
In the Net Profit Costs box, press the minus key. Followed by the value of the original profit costs, and vat.
Click Select Disbs, and select the NTO with a minus before the value.
The bill value is displayed with a minus for the same bill total as the original.
Post the bill.
The matter summary at the top of the ledger will show a minus value in Unpaid Bills and Office Balance.
If you are still having issues, please raise a new case online and reference the title of this article