thanks, I had version 3.9.6. The update helped
Thanks for your reply.
The extension shows that everything is fine https://dropmefiles.com/vniIq
But there are errors when checking the validator https://dropmefiles.com/ItkTy
I need to remove product page validation errors
Hello/
In my site also was problem like you. To fix this you need open wordpress plugin page and click settings for this plugin. You will see checkbox – “Show in cart
Show in Checkout”.