You most likely have lingering data from a prior version of the IPTV Stalker video add-on confusing the server. Set defaults on IPTV Stalker Plus and then configure again.
Also, note, way down the page is the Kodi > IPTV Stalker (Video add-on) subforum.
Thanks Ilan and wickedjoker,
I got it working now, the only problem is buffering, almost all my channels were buffering every 5 or so minutes how do we fix that?