Hiya. I use an Amazon Firestick, which is similar to the Fire TV. Usually when you get that error message it is a mac address problem. Make sure your mac starts with 00:1A:78: , Also check the mac is registered with your donation number..there is a good guide here ...http://iptvtalk.org/showthread.php?7076-Fire-tv-stick-iptv-rocket-emulator-problem.
I use Kodi and Stalker Client daily so it does work.
I use Kodi and Stalker Client daily so it does work.