Generally accounting voucher is created automatically, but for some accounts transaction, you need to create accounting voucher manually.
STEP-1: Click on New-> Voucher-> Accounting Voucher. Accounting Voucher form will appear.
STEP-2: Fill the details and click on Save.
Click on Vouchers-> Accounting Vouchers. Accounting Vouchers list will appear.
STEP-1: Select accounting voucher from accounting voucher list that you want to edit. Right click on it and select Edit Accounting Voucher option.
STEP-2: Edit the details and click on Save.