So, typically the way this works is that the Console appliance has a license with all of the EPS/FPM as a bundle, which then gets allocated to any new hosts. When EPS/FPM is allocated to the newly added host, it should remove the temporary license value and update that host with it's EPS/FPM. If the license is older, we've seen issues where the identity field of the license can be missing or if the host does not resolve due to a network issue and the change isn't properly applied.
This problem is something that should be investigated by QRadar Support. We'll want to verify the Serverhost table has an entry for the new appliance you are adding and ensure that the ID for that new appliance displays in the license_allocation table. This is a technical issue that might be resolved by creating a new license, but support can confirm the issue and correct this error.
The message you are experiencing is not expected.
What to do