Update: Disabling the Apple single sign-in and logging in with the Pik TV app did not resolve the issue yesterday. However, several hours later, tried Pik TV app again and the video issue had spontaneously resolved. Still streaming today...
Today is the first time we've had any major issue with the Pik TV app for Apple TV (have been using it for over one year). When a channel is selected, there is audio but no video at all - black screen. No changes have been made to the Apple TV recent...