Reply To: Add to cart is missing in quick view

I have set the prices for all variation of the product
https://snipboard.io/mq7YCo.jpg

https://tokoplastik.co.id/wp-admin/post.php?post=4316&action=edit

I managed to display the attribute swatches
but the add to cart button is not there
https://snipboard.io/yuXBOP.jpg

please help
Thank you
Joie