I've been having multiple issues with Twitch over the last few weeks... between saving videos not working and being logged off every time I try to and not being able to log on at all sometimes.
I've deleted my cookies which helped with logging back on at multiple occasions but now I can't see anything for the directory. Anytime I try to check who's casting of the people I follow I just get a blank screen with a search bar on the top right of the screen.
Can you give us a screenshot of this? Does this happen in incognito mode?