Follow the steps below to remove a product with a negative quantity from the current stock list.
1. Click the Inventory menu button and choose tab Balance .
2. On the right-hand side, click the green button Balance
3. Enter the date, select the products with negative actual supply and enter the quantity '0'.
4. Close with Save.
Optionally, you can remove products with the quantity '0' from the list, when taking over last year's stock (link). To do so, click on the 'bin' behind the product.