The queue system has been overloaded for the past couple of days. We are looking into the root cause. It may be that your jobs will not get scheduled until the problem is resolved.
The limit for user jobs is getting dropped until the scheduler can work through the backlog.
Update: 05/04/2021 7:46 PM: The scheduler seems to be stable at the moment but still has to work through a backlog. We will keep monitoring.