Error prompt “voucher number [Voucher Number] is already used as of date [Date]”

Mark the Number allocation at posting setup in Journal form.

When you get the error message find the number sequence that is having the issue.

Organization administration/Common/Number sequences/Number sequences select that number sequence, click on Manual Cleanup>current

Note : DO NOT CLICK ALL option

c. Deleting records in status list

Find the number sequence and click status list .

Delete using Alt+F9 option

Microsoft Disclaimer: Microsoft’s suggestion are recommendatory in nature and the partner/customer should fully test any suggestions provided before applying them in production environment. Microsoft will not take any responsibility for any issue that arises because of this.