Playback error each time I tried to watch iptv on p1.iptvrocket

Am using Perfect Player and most of the times I can't watch tv I will click on a channel and it shows and when I change the channel it will not show on p1.iptvtocket server

constant freezing on iptv66 on both servers

how to setup android tv box to use iptv.i downloaded the perfect player i need help setting it up