Troubleshooting: Knock off error – Knock off date must be on or after payment and document date

Question: I want to key in the knock off date which is earlier than the invoice date in AR payment. But Auto Count does not allow me to do so. It shows “Knock off date must be on or after payment and document date”. What I should do?HY

Version: 1.8 / 1.9 / 2.0

Possible Reason:

By default, system wouldn’t allow you to knock off when knock off date is earlier than invoice date or payment date.

Solution:

If you wish to allow it, go to Tools > Options .

Go to AR & AP > Aging and Statement; uncheck Knock off Date Must Greater Than or Equal to Document Date.

Then Click on OK.

You will be able to key in the knock off date which is earlier than invoice date or payment date now.

However, it is not advisable to uncheck this setting as if knock off date is earlier than invoice document date, it may cause GL report and AR or AP reports not tally. For example, ledger report (based on document/payment date) might not tally with debtor aging report (based on knock off date).

When you try to save the AR payment, system will also prompt reminder as shown below to remind you: