Recordings not working properly

I am a daily pro user of zoom and have hosted and recorded thousands of meetings in the past 5 years. So when I say this is unprecedented, I mean it. Twice in the past week, I have started a recording, checked it was on, reminded the users to click on the confirmation, only to end up with no recording at the end of the session. I know I'm not doing something wrong. I didn't suddenly forget how to walk through my very well rehearsed setup.  So what else is going on? Why the difficulty recording now? Is there a setting I need to fix?