I'm still getting the message.@James S can you try again please ?
As I can see you have a Trial Key and you have upgraded to Free Pro.
I am logged in as a user with admin rights.@James S one question please are you logged in as super admin or as user with admin rights ?
I logged in as "admin" and I'm still getting that message.@James S can you login as Super Admin and let me know if you have the same issue ?

Founded in 2005, when VoIP was an emerging technology, 3CX has gone on to establish itself as a global leader in business communications.