Docs: Quantity box shows NaN when I use + or –.

Quantity box shows NaN when I use + or –.

This error shows if you don’t enable inventory stock. First, you have to enable inventory stock from woocommerce settings.

1. Go to WooCommerce → Settings

2. Click the Products tab, then the little Inventory link

3. Check Enable stock management.

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Updated on January 7, 2022