'AVFoundationErrorDomain - 11835' error message

If you get an 'AVFoundationErrorDomain - 11835' error message when watching discovery+ on your Apple TV or iOS device, follow these steps:

Restart your Apple TV

1. Unplug your Apple TV and the TV for at least 2 minutes.
2. Plug both devices back in.
3. Turn both devices back on.
4. Reopen the discovery+ app and try watching an episode again.

Restart your iPhone/iPad

1. Press and hold the side button and one of the volume buttons at the same time until the sliders appear, then drag the top slider to power your device off.
2. After 10 seconds, press the Sleep/Wake button to turn your device back on.
3. Once your device powers on, reopen the discovery+ app and try watching an episode again.

If the above doesn't work, try the following:

1. Restart your WiFi and/or Mobile data, leaving it switched off for 2 minutes.
2. Sign out and back into the discovery+ app on your iOS device.
3. Make sure you have the latest version of the discovery+ app.