After enabling the pick&store zoning (One SKU One Shelf), the available stock can not be edited in the Inventory List. So you can add/reduce the stock of merchant SKU by creating a stock-in/out list.
If checked, the stock will be reduced immediately once you submit the stock-out list; This stock-out list will be auto moved to [Stocked-Out] page and can not be modified.
If not checked, the stock-out list will be on the [Pending] page after you submit it; You can modify it again and stock it out.
Step 3: Select / Add shelves > Enter stock-out Qty > Submit
For warehouse has only enabled Warehouse Pick & Store Zoning
Step 2: Select the Stock-out warehouse > Download a template and fill it out
Step 3: After filling out the Excel, click Upload File > Upload file > Click Import, the system will automatically create a stock-in list and display it in the Pending list
On the Pending List, you need to click Stock-Out, and the filled quantity will be reduced to inventory.