This message will be displayed when you’re trying to buy a bundle as well as one of the components of the bundle at the same time.
If you do try to do this, you'll see a message: "Sorry, this bundle cannot be added to your basket" or "Sorry, this product cannot be added to your basket" – depending on what's already in your basket.
Example
Imagine there's a bundle which is made up of a digital camera and a memory card, and you’ve already added the memory card to your basket as a single item (including multiples of that single item). As you add the bundle to your basket, the message will appear explaining that you can't add it.
In this example, if you want to order 2 memory cards, you need to place two separate orders. We appreciate this may cause some frustration, but it’s done to prevent duplicate items being added and causing return issues.