fire stick with kodi iptv nfps bad or missing serial number ?

[Tata123]

I change my mac address on my papiao account and still getting bad or missing serial number
can anybody help me please I have 2 weeks with it everything was fine what shoud I do it wasn't working this morning so I cange
mac address on my account any help please no tv service for me and kids thanks
:p

[Marley]

http://iptvtalk.net/showthread.php?9444-Serial-Numbers-Now-Required-for-Kodi-Addons and look in firestick section too

[Alucard]

You need to enable the send serial number option. Go here: http://iptvtalk.net/showthread.php?8798-Preventing-your-MAC-from-being-hijacked