Thanks for posting in the Roku Community!
Apologies for the inconvenience. We would like to know what went wrong so we can assist you further and fix the issue.
We recommend starting here to troubleshoot channel issues: Follow these steps in order:
1. Navigate to the channel tile on the Roku home screen, press the * key on your remote, and choose 'Remove channel'.
2. Next, restart your device from Settings>System>Power>System restart (If you do not see a Power submenu, skip to the next step).
3. After your Roku device restarts, visit the Roku Channel Store and add the channel again.
You may also refer to this link: How to resolve a channel playback issue|Solve a playback issue (roku.com)
Please try doing this and see if it helps with what you're experiencing.