FATAL: Unable to retrieve tier version info error
This error means that there is some issue with the cPanel installation is communicating with the master server, and install or upgrade cPanel.
To fix, you need to
- 1. Login to server as SSH
- 2. /scripts/upcp –force
If the issue happens again, you need to login to WHM -> Tweak settings -> Security
And turn this setting to off
Then you need to run /scripts/upcp –force again