This report is used to check that the balance of stock at warehouses is correct. Besides data contained in the warehouse card report, the summary contains data about the fill in price method for individual document types, the valuation method at individual warehouses, the per unit price of the item, and linked documents. The document number in the Links | Movements tab is entered as the linked document, and only for lines with negative quantities. This way, you can check whether lines with negative stock were created with adding or manually.