startCluster print error

[ErinWeisbart]

Request in process. Wait until your machines are available in the cluster.
SpotFleetRequestId sfr-e02926f4-4567-4670-b92a-036aefc0cdc2
Updating service
Service updated.
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Your spot fleet request is causing an error and is now being cancelled.  Please check your configuration and try again
Traceback (most recent call last):
  File "run.py", line 829, in <module>
    startCluster()
  File "run.py", line 638, in startCluster
    print(eacherror['EventInformation']['EventSubType'] + ' : ' + eacherror['EventInformation']['EventDescription'])
KeyError: 'EventDescription'

in EC2 spot request console see Event Type = error, Status = spotInstanceCountLimitExceeded

was on commit 2320eeb