When trying to access WHM you are presented with this error:
Invalid License File. Incorrect authority delivering the license.
Also attempting to update the license information fails with this error message:
DNS::Unbound object version 0.19 does not match $DNS::Unbound::VERSION 0.20
This is usually indicative of some missing cPanel-required packages specifically this package:
The required packages all need to be installed before the license can be updated.
First, make sure that RPM is working and responsive:
In case RPM is unresponsive then you can visit this link to see how to repair RPM's database:
After making sure RPM is working you need to run this command to install all the missing cPanel-required packages:
In the output, you will see the name of the missing package mentioned above. After this you can run the command again to update the license:
Updating cPanel license...Done. Update succeeded.