thank you, it’s working now!
ok tried it, but still not working 🙁
tried to insert that code in the functions.php of the main theme
the error is the same you can reproduce on your demo site
for example here https://plugins.wpali.com/product/gift/
click add to cart without any selection, you will see it
this my screenshot nowtech-italia.it/error1.jpg
yes I temporary deactivated he plugin, I cannot take it active otherwise buyer get that error, I activated for 2days, you not replied so I turned it off again.
btw , i tried remove 0 with empty field, and still got the error.
this is my settings
nowtech-italia.it/EB_img/opt.jpg
product link
nowtech-italia.it/wpntc/prodotto/10-25-android-mercede-benz-classe-c-c-classe-w204-2011-2014-464gb/
(sorry if not inserted link, but when I do that, the forum givee me error “duplicate reply”)
yes I have it unset (tried 0 too), but still ask me for a selection