Stalker client

hello im using mag254 with iptv server on it. im trying to use at kodi the iptv stalker addon and it says server offline. i use the correct portal url and mac adress of the mag and always it says that

can you help me?
 
First uninstall the existing stalker then add metalkettle source and install it from there.
Stalker is up and running.

Please use your own thread.
THANKS