NullPointerException for BuildQueueMonitor

2009-07-06 18:22:28,584 ERROR [QuartzScheduler_Worker-6] [JobRunShell] Job BuildQueueMonitor.BuildQueueMonitor threw an unhandled Exception:
java.lang.NullPointerException
at com.atlassian.bamboo.build.monitoring.BuildQueueMonitor.checkBuildsForTimeInQueue(BuildQueueMonitor.java:64)
at com.atlassian.bamboo.build.monitoring.BuildQueueMonitorJobScheduler.execute(BuildQueueMonitorJobScheduler.java:31)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at com.atlassian.bamboo.quartz.SystemAuthorizedThreadPool$1.run(SystemAuthorizedThreadPool.java:36)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
2009-07-06 18:22:28,584 ERROR [QuartzScheduler_Worker-6] [ErrorLogger] Job (BuildQueueMonitor.BuildQueueMonitor threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.NullPointerException]
at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
at com.atlassian.bamboo.quartz.SystemAuthorizedThreadPool$1.run(SystemAuthorizedThreadPool.java:36)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.lang.NullPointerException
at com.atlassian.bamboo.build.monitoring.BuildQueueMonitor.checkBuildsForTimeInQueue(BuildQueueMonitor.java:64)
at com.atlassian.bamboo.build.monitoring.BuildQueueMonitorJobScheduler.execute(BuildQueueMonitorJobScheduler.java:31)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
... 2 more
2