Step 1:

• Go to Settings > Pick and Pack settings

Step 2:

• Browse to the "Shipment Settings" section.
• Enable "Display "Out of stock" warning on "Create Shipment" screen".
• Click on "Save".

How it works

Only display if item inventory quantity is less than 0 (Negative value).

If any item quantity in a parcel is less than 0 (Negative value), the system will display an "Out of stock" warning for this parcel in the bulk "Create Shipments" screen.