Product Price in product.json is "price": 0.0 - cannot be added to the cart

Support
#1

HI

I have a few products that cost NOTHING. Unfortunately I can not check them out. The button to add it to the cart is not active:

thanks for the help
rob
{
…
“package”: [],
“inPackage”: [],
“url”: “”,
“price”: 0.0
},