If you cannot open the Vimeo app on your mobile device or TV, you may need to update your app to the latest version.
This article contains steps for Vimeo apps on the following platforms:
How to resolve
If you have turned off automatic updates, you can manually update the Vimeo app from the App store on your Apple TV. Learn more at Apple's guide here.
See the troubleshooting steps at How to manually update apps on your Apple device.
See the troubleshooting steps at How to update the Play Store & apps on Android.
Apps purchased from the Amazon store should automatically update. You may need to Update the software on your Fire TV to resolve an issue with app updates.