Why did my add to cart button suddenly disappear?

We are about to launch our new website this week when all of a sudden our add to cart button disappeared on all our products. Didn’t do anything only added some products as pre order, could that have affected it? Can anyone help us!!!

@Mashu

Please share your store URL.

Thanks!

Hii, @Mashu
Kindly share your store URL so,
I can solve it perfectly.
Thank You.

https://mashu-limited.myshopify.com/

@Mashu

Please share screenshot what do you want!

Thanks!

@Mashu

Please share your theme.zip file i will check code and send correct solution to you .

Thanks!