To stock out the sub products while doing stock in for main products, please follow the below mentioned steps.
Step 1. Go to Products from the home page.
Step 2. Click on the Main product that you want to stock In.
Step 3. Click on Stock In.
Step 4. Enter the Quantity that you want to stock In, and enable the “Stock Out Sub Products” Toggle to stock out the sub products. and click on Stock In.
Now the main products will be stocked in the inventory, and sub-products will be stocked out automatically.