Can't Register License

we can’t Register License has response error.

VitalPBX 3.1.5-4
Asterisk 18.6.0-2

Tell us which license and where you try to enter it with a screenshot.

Subscriptions or Starter License are on the top right. Add-ons need to be activated at Add-ons menu.

VitalPBX Carrier Plus

try via ssh (root);
yum update
to get all updates and latest version.
Try again and report

We were migrating some servers. It should work now!