How to Fix “You can’t modify records that have been applied by a product or service connected to your domain.” GoDaddy Error

Here’s the error you might be seeing:

You have to unpublish the website from GoDaddy so that you can edit the DNS Records again.

Here’s a tutorial how:

https://www.godaddy.com/help/unpublish-my-websites-marketing-site-32277

You might also need to contact GoDaddy support.