NPE in Release Management Plugin

System Error Details
Build XXXX XXX - check 15 : PostChainAction 
(java.lang.NullPointerException : )

Occurred: 17 Feb 2011, 7:45:17 AM
java.lang.NullPointerException
at com.atlassian.bamboo.plugins.brmp.action.BRMPChainCompleteAction.execute(BRMPChainCompleteAction.java:54)
at com.atlassian.bamboo.chains.ChainPluginSupportImpl.chainCompleted(ChainPluginSupportImpl.java:94)
at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.finaliseChainStateIfChainExecutionHasCompleted(ChainExecutionManagerImpl.java:525)
at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.access$600(ChainExecutionManagerImpl.java:49)
at com.atlassian.bamboo.chains.ChainExecutionManagerImpl$1.run(ChainExecutionManagerImpl.java:281)
at com.atlassian.util.concurrent.ManagedLocks$ManagedLockImpl.withLock(ManagedLocks.java:322)
at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.execute(ChainExecutionManagerImpl.java:240)
at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.access$1000(ChainExecutionManagerImpl.java:49)
at com.atlassian.bamboo.chains.ChainExecutionManagerImpl$2.run(ChainExecutionManagerImpl.java:327)
at com.atlassian.util.concurrent.ManagedLocks$ManagedLockImpl.withLock(ManagedLocks.java:322)
at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.handleEvent(ChainExecutionManagerImpl.java:307)
at sun.reflect.GeneratedMethodAccessor518.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.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at org.springframework.orm.hibernate.HibernateInterceptor.invoke(HibernateInterceptor.java:117)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at $Proxy48.handleEvent(Unknown Source)
at com.atlassian.event.legacy.LegacyListenerHandler$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:662)