The error you're seeing is typically caused by: An issue with the Netflix application itself An issue with some Netflix account information stored on the device An issue connecting to the Internet from your device In some cases, this error code may be accompanied by the following error message: kAlertErrorCodeNoSelectedCDN (121)Follow the troubleshooting steps for your device below to resolve the issue. Apple TV Note: This error only occurs on Apple TV 2 and Apple TV 3. If you experience this error on Apple TV 4, please contact customer service. Powercycle your Apple TV Unplug your Apple TV and the TV it's connected to for at least 1 minute. Plug both devices back in. Turn both devices back on. Try Netflix again. Troubleshoot problems connecting to Netflix If you're still having issues playing your movie or TV show, see our steps for troubleshooting problems connecting to Netflix. iPhone, iPad, or iPod touch Reboot your device Turn your iPad, iPhone or iPod touch off and wait for 10 seconds before turning it back on and trying Netflix again. If you need directions for rebooting your Apple device, see the iPhone, iPad, iPod touch: Turning off and on (restarting) and resetting article on Apple's Support website. Test the Internet Connection Make sure your iPad, iPhone or iPod touch has an Internet connection by attempting to visit a website (such as apple.com) in a web browser (such as Safari). If the page doesn't load, or is slow to load, try turning your device's WiFi connection off and then back on. If you're still not able to connect, you may have Internet connection issues.