Reaper Addon is the latest and one of the best all in one IPTV and VOD add-on for Kodi. This incredible addon covers a wide range of IPTV content allows you to watch Live TV, Sports on Demand, Movies, TV Show, Music, Kids Shows and lot more in great picture quality.
Channels in Reaper can get disabled from time to time which is the nature for IPTV. So authorization failed is normal, just switch to other channels or come back later.
I am sure this is the Addon that you will love to have on Kodi. This addon requires F4M Tester. Makesure it is enabled.