java.lang.IllegalArgumentException: Unknown RepositoryDefinition

2011-09-22 19:21:06,315 ERROR [AtlassianEvent::0-BAM::EVENTS:pool-1-thread-12] [ChainExecutionManagerImpl] Plan 'DOG-MRB' could not be started
java.lang.IllegalArgumentException: Unknown RepositoryDefinition 331251714
        at com.atlassian.bamboo.v2.build.BuildChangesImpl.getBuildRepositoryChanges(BuildChangesImpl.java:145)
        at com.atlassian.bamboo.v2.build.BuildChangesImpl.getVcsRevisionKey(BuildChangesImpl.java:44)
        at com.atlassian.bamboo.v2.trigger.ChangeDetectionListenerAction.process(ChangeDetectionListenerAction.java:107)
        at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.createChainState(ChainExecutionManagerImpl.java:202)
        at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.start(ChainExecutionManagerImpl.java:125)
        at sun.reflect.GeneratedMethodAccessor335.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:198)
        at $Proxy64.start(Unknown Source)
        at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.startWithLockTaken(PlanExecutionManagerImpl.java:221)
        at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.access$100(PlanExecutionManagerImpl.java:39)
        at com.atlassian.bamboo.plan.PlanExecutionManagerImpl$1.call(PlanExecutionManagerImpl.java:202)
        at com.atlassian.bamboo.plan.PlanExecutionManagerImpl$1.call(PlanExecutionManagerImpl.java:196)
        at com.atlassian.util.concurrent.ManagedLocks$ManagedLockImpl.withLock(ManagedLocks.java:324)
        at com.atlassian.bamboo.plan.PlanExecutionLockServiceImpl.lock(PlanExecutionLockServiceImpl.java:68)
        at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.doWithProcessLock(PlanExecutionManagerImpl.java:333)
        at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.start(PlanExecutionManagerImpl.java:195)
        at com.atlassian.bamboo.v2.trigger.ChangeDetectionListener.handleEvent(ChangeDetectionListener.java:53)
        at com.atlassian.event.legacy.LegacyListenerHandler$LegacyListenerInvoker.invoke(LegacyListenerHandler.java:55)
        at com.atlassian.event.internal.AsynchronousAbleEventDispatcher$2.run(AsynchronousAbleEventDispatcher.java:60)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at com.atlassian.bamboo.build.pipeline.concurrent.NamedThreadFactory$2.run(NamedThreadFactory.java:50)
        at java.lang.Thread.run(Thread.java:680)