Systems are not perfect, but . . . END
U/D: The FAA Tweeted:
The FAA @FAANewsUpdate 5: Normal air traffic operations are resuming gradually across the U.S. following an overnight outage to the Notice to Air Missions system that provides safety info to flight crews. The ground stop has been lifted. We continue to look into the cause of the initial problem9:50 AM · Jan 11, 2023·1.4M Views
Looks like a bug or maybe system overload, of what type has not been announced.