Thanks for letting us know about the issue that you are experiencing.
It looks like the issue that you are experiencing may be related to space issues on your Roku device. Freeing up space on your Roku Express may resolve the issue that you are seeing.
You can do this by:
1) Remove any unused channels from your device.
2) Factory reset your device. If you need assistance with this, steps are outlined here: https://support.roku.com/article/208757 ... ng-device-
3) Link your device back to your account.
Please keep us posted!