[1/16/2019 3:22:26 PM] -
[1/16/2019 3:22:26 PM] Checking if IP update required.
[1/16/2019 3:22:26 PM] IPv4 address update really required.
[1/16/2019 3:22:27 PM] IPv6 address update really required.
[1/16/2019 3:22:27 PM] IP address update initiated.
[1/16/2019 3:22:28 PM] [Bad Authentication]
[1/16/2019 3:22:28 PM] Current IPv4 Address: None
[1/16/2019 3:22:29 PM] Current IPv6 Address: None

What causes bad authentication

Incorrect location name may cause authentication error. If you have assigned a location name to your domain name in your control panel, you need to use that location name in the client software as well.