Try power cycling your Roku device. Unplug the device from its power source, wait a minute, and plug back in.
If that does not work, submit a support ticket.
COVID-19 Response: The PBS Support team is now working from home due to the ongoing COVID-19 situation. Due to the higher volume of responses we are receiving, wait times may be longer. Click here to learn more and thank you for your patience!
Samsung TV App: We are aware of technical issues on the PBS app on 2017 Samsung TV models, and are currently working to resolve these errors. Click here to learn more
Try power cycling your Roku device. Unplug the device from its power source, wait a minute, and plug back in.
If that does not work, submit a support ticket.