I found a better alternative with the free YITH WooCommerce Product Bundles plugin.
You can delete this topic/thread.
Thanks.
Hi @zaidmackay
Thank you for choosing our plugin.
We apologize for the inconvenience.
As you said it is “Out of stock” because you have used a default product that is “Out of stock” and the “Out of stock” bundle can’t be added to the cart.
You should remove the “Out of stock” product from the “Default product” field of the item or replace it with an item which is in stock, then try again.
If you want to list “Out of stock” products in the item, then use them in the “Products” field instead of the “Default product” field.
I hope it helps.
Best Regards