Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
Can you please clarify it the issue you are experiencing? Are you unable view content on the channel? Are you unable sign into your channel account? Have you tried removing those specific channels, restarting your device, then adding the channels back again?
With more information we will be able to assist you further.