Problem

YouTube has changed the screen ID format from 26 characters to 64 hex digits. Since the 15th April 2026 YouTube apps have started generating new IDs and revoking the old ones, breaking a paired iSponsorBlockTV.

Solution

Pair device again

The solution is simple, pairing the device again will fix this. Feel free to delete the old entry on your config file. See the installation guide on how to pair a device here

Reset YouTube app

If the last step didn't work, you can reset the YouTube app. Take into account that this will log you out of any accounts on that device. You can reset the app by going into settings, scrolling all the way to the bottom and select Reset APP

More info

You can find more information on issue #450