If you experience the error code ATV-ui113 on your Apple TV, often accompanied by the following message:
We're unable to connect you to Netflix. Please try again later.
It typically points to information stored on your device that needs to be refreshed. Follow the troubleshooting steps below to resolve the issue.
Unplug your Apple TV and the TV it's connected to from power for at least 2 minutes.
Plug both devices back in.
Turn both devices back on.
Try Netflix again.