Don't know if it was due to recent updates.
error screenshot
I'm able to login and currently watching Magnolia Network in a browser.
Logs have been submitted as aaabc2b5-b508-490d-9bdf-f9da0559ffc1
Channels DVR was unresponsive, so restarted it and now it's working 
Just to let the devs know, the DVR web UI status said I was watching the channel that it was trying to auth. Not true, the player just showed a spinning circle. Since the web UI was unresponsive, that's when I restarted Channels DVR. In case it helps, here is the current Logs submitted as 746c7492-1956-4d5e-a468-1ca5f2e394ed.