This is happening to a coworker as well. iPad is updated to 14.2 and MM app is on the latest version. MM server is 5.29.1. When I asked him to force quit the app and reopen it, the error persisted. It’s the same error message as above. Here is the screengrab:
We have pushed a fix for this issue and the other issue MM App iPad Crashes when Playing Youtube to the app stores now, should be available within the next few days.