Topology provider NPE

2015-05-18 08:58:07,206 | WARN | lt-dispatcher-19 | AbstractTopologyBuilder | 230 - org.opendaylight.bgpcep.bgp-topology-provider - 0.4.0.SNAPSHOT | Data change org.opendaylight.controller.md.sal.binding.impl.LazyDataTreeModifi
cation@7a6fd21 was not completely propagated to listener org.opendaylight.bgpcep.bgp.topology.provider.Ipv4ReachabilityTopologyBuilder@30639505, aborting
java.lang.NullPointerException
at org.opendaylight.bgpcep.bgp.topology.provider.AbstractReachabilityTopologyBuilder.advertizingNode(AbstractReachabilityTopologyBuilder.java:80)[230:org.opendaylight.bgpcep.bgp-topology-provider:0.4.0.SNAPSHOT]
at org.opendaylight.bgpcep.bgp.topology.provider.AbstractReachabilityTopologyBuilder.createObject(AbstractReachabilityTopologyBuilder.java:124)[230:org.opendaylight.bgpcep.bgp-topology-provider:0.4.0.SNAPSHOT]
at org.opendaylight.bgpcep.bgp.topology.provider.AbstractTopologyBuilder.onDataTreeChanged(AbstractTopologyBuilder.java:152)[230:org.opendaylight.bgpcep.bgp-topology-provider:0.4.0.SNAPSHOT]
at org.opendaylight.controller.md.sal.binding.impl.BindingDOMDataTreeChangeListenerAdapter.onDataTreeChanged(BindingDOMDataTreeChangeListenerAdapter.java:41)[147:org.opendaylight.controller.sal-binding-broker-impl:1.2.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.DataTreeChangeListenerActor.dataChanged(DataTreeChangeListenerActor.java:53)[169:org.opendaylight.controller.sal-distributed-datastore:1.2.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.DataTreeChangeListenerActor.handleReceive(DataTreeChangeListenerActor.java:37)[169:org.opendaylight.controller.sal-distributed-datastore:1.2.0.SNAPSHOT]
at org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor.onReceive(AbstractUntypedActor.java:34)[161:org.opendaylight.controller.sal-clustering-commons:1.2.0.SNAPSHOT]
at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:167)[154:com.typesafe.akka.actor:2.3.10]
at akka.actor.Actor$class.aroundReceive(Actor.scala:467)[154:com.typesafe.akka.actor:2.3.10]
at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:97)[154:com.typesafe.akka.actor:2.3.10]
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)[154:com.typesafe.akka.actor:2.3.10]
at akka.actor.ActorCell.invoke(ActorCell.scala:487)[154:com.typesafe.akka.actor:2.3.10]
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254)[154:com.typesafe.akka.actor:2.3.10]
at akka.dispatch.Mailbox.run(Mailbox.scala:221)[154:com.typesafe.akka.actor:2.3.10]
at akka.dispatch.Mailbox.exec(Mailbox.scala:231)[154:com.typesafe.akka.actor:2.3.10]
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)[151:org.scala-lang.scala-library:2.10.4.v20140209-180020-VFINAL-b66a39653b]
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)[151:org.scala-lang.scala-library:2.10.4.v20140209-180020-VFINAL-b66a39653b]
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)[151:org.scala-lang.scala-library:2.10.4.v20140209-180020-VFINAL-b66a39653b]
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)[151:org.scala-lang.scala-library:2.10.4.v20140209-180020-VFINAL-b66a39653b]