ClusterTopologyCheckedException: Failed to send message because node left grid

[22:46:53,052][ERROR][sys-#65%null%][IgniteTxManager] Failed to send one phase commit ack to backup node [backup=c8d7e7b7-d984-4498-ab4c-8e7cb8928e19]
class org.apache.ignite.internal.cluster.ClusterTopologyCheckedException: Failed to send message because node left grid [nodeId=c8d7e7b7-d984-4498-ab4c-8e7cb8928e19, msg=GridDhtTxOnePhaseCommitAckRequest [vers=[GridCacheVersion [topVer=91496812, time=1480016812498, order=1480016808989, nodeOrder=1]], super=GridCacheMessage [msgId=-1, depInfo=null, err=null, skipPrepare=false, cacheId=0, cacheId=0]]]
	at org.apache.ignite.internal.processors.cache.GridCacheIoManager.send(GridCacheIoManager.java:1056)
	at org.apache.ignite.internal.processors.cache.transactions.IgniteTxManager$2.finish(IgniteTxManager.java:283)
	at org.apache.ignite.internal.processors.cache.GridDeferredAckMessageSender$DeferredAckMessageBuffer.finish0(GridDeferredAckMessageSender.java:214)
	at org.apache.ignite.internal.processors.cache.GridDeferredAckMessageSender$DeferredAckMessageBuffer.access$000(GridDeferredAckMessageSender.java:111)
	at org.apache.ignite.internal.processors.cache.GridDeferredAckMessageSender$DeferredAckMessageBuffer$1.run(GridDeferredAckMessageSender.java:159)
	at org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader(IgniteUtils.java:6620)
	at org.apache.ignite.internal.processors.closure.GridClosureProcessor$1.body(GridClosureProcessor.java:764)
	at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)