It's possible the TV needs updating but here we are and little to work with.
I am watching an old TV show and periodically play back will stop, and a white on black screen message says only one device can be running Hulu at a time. The only option is to click to go to Devices on my account screen where THERE ARE NO DEVICES LISTED! I then use the back arrow to get the playback screen and resume watching for it to happen 5 minutes later. Why? How to fix/avoid? Thanx in advance.