Plex Live TV for Roku - Program Guide not working (cross post from Roku category)

I didn’t hear anything when I initially posted this in the Roku category - hoping someone can help me here. I’ve tried restarting PMS/routers/etc already - problem still occurs.

I have the latest version of PMS and HDHomeRun Connect along with a digital antenna. I can stream live TV channels from the Plex web app, but on both my TVs (one with a Roku 3600X stick and one with Roku 3), in the Plex app for Roku, selecting the live TV program in the Program Guide returns me to the main screen. It does not even attempt to load the channel.

Also, occasionally, I will select “Program Guide” in the Plex app and it will display the message “No content available.” Backing out of Plex and re-opening the app will then cause the Program Guide to function normally.

Has anyone else had this issue?