1. Settings/Your Company
In Settings, click on Your Company
2. Warehouse - negative stock allowed
Tick the ''Warehouse - negative stock allowed'' option
3. Save changes
Click on the ''Save'' icon. MetaKocka will load again.
When the out-of-stock product is added to the invoice or delivery note, MetaKocka will not allow you to save documents and will simultaneously notify you that it is not possible to save one, since the product will have negative stock.