Don't accept a null lead participant when using an assist server.  And be quieter about it.
Don't accept a null lead participant when using an assist server.  And be quieter about it.

mfeit-internet2/pscheduler-dev,perfsonar/pscheduler,mfeit-internet2/pscheduler-dev,perfsonar/pscheduler,perfsonar/pscheduler,perfsonar/pscheduler