WatchTCM, others constantly requiring reauthentication

Pretty much any time I try to access WatchTCM (or HBOMax, I think) on either my Roku or AppleTV, I have to redo the "go to www.tcm.com/activate and type this code" routine.  Very frustrating, and to the point my wife just won't use it...  not fun, since I particuarly added the Sports and Entertainment package to get access to WatchTCM.

So...  anyone else experiencing this?   How to resolve?