I tried to forward my domain about 10 minutes ago. I checked the box "Update my nameservers and DNS settings to support this change." And then, the system displays "An unexpected error occurred. If this issue continues, contact support.". Now I cannot even to connect to the original website that is built using GoDaddy GoCentral website builder. My domain is not working at all. Please help. Thank you.
You would want to call into support, so an agent can look at your DNS settings to diagnose why that error is happening and get you back up and running. Here is a list of our global numbers for your convenience https://www.godaddy.com/contact-us.aspx Hopefully this helps!