Separate the pieces
Internet Protocol television, a player and a programme guide describe different parts of a viewing setup. This website provides channel guides and title information, not a master playlist or hidden server package.
Use the controls in view
Adaptive quality, playback speed, Picture-in-Picture and keyboard shortcuts vary by player. HTML5 browser support alone does not make a particular programme available.
Keep the error specific
Account, region, server and device messages need different checks. Use the selected service’s supported options and note the visible error before changing unrelated settings.