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java.lang.AssertionError: Flags = 128	at org.apache.cassandra.db.ClusteringPrefix$Deserializer.prepare(ClusteringPrefix.java:421)	at org.apache.cassandra.db.UnfilteredDeserializer$CurrentDeserializer.prepareNext(UnfilteredDeserializer.java:172)	at org.apache.cassandra.db.UnfilteredDeserializer$CurrentDeserializer.hasNext(UnfilteredDeserializer.java:153)	at org.apache.cassandra.db.columniterator.SSTableIterator$ForwardReader.handlePreSliceData(SSTableIterator.java:96)	at org.apache.cassandra.db.columniterator.SSTableIterator$ForwardReader.hasNextInternal(SSTableIterator.java:141)	at org.apache.cassandra.db.columniterator.AbstractSSTableIterator$Reader.hasNext(AbstractSSTableIterator.java:354)	at org.apache.cassandra.db.columniterator.AbstractSSTableIterator.hasNext(AbstractSSTableIterator.java:229)	at org.apache.cassandra.db.columniterator.SSTableIterator.hasNext(SSTableIterator.java:32)	at org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:100)	at org.apache.cassandra.db.rows.UnfilteredRowIteratorWithLowerBound.computeNext(UnfilteredRowIteratorWithLowerBound.java:93)	at org.apache.cassandra.db.rows.UnfilteredRowIteratorWithLowerBound.computeNext(UnfilteredRowIteratorWithLowerBound.java:25)	at org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)	at org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:374)	at org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:186)	at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:155)	at org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)	at org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:419)	at org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:279)	at org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)	at org.apache.cassandra.db.rows.UnfilteredRowIterator.isEmpty(UnfilteredRowIterator.java:70)	at org.apache.cassandra.db.SinglePartitionReadCommand.withSSTablesIterated(SinglePartitionReadCommand.java:637)	at org.apache.cassandra.db.SinglePartitionReadCommand.queryMemtableAndDiskInternal(SinglePartitionReadCommand.java:586)	at org.apache.cassandra.db.SinglePartitionReadCommand.queryMemtableAndDisk(SinglePartitionReadCommand.java:463)	at org.apache.cassandra.db.SinglePartitionReadCommand.queryStorage(SinglePartitionReadCommand.java:325)	at org.apache.cassandra.db.ReadCommand.executeLocally(ReadCommand.java:366)	at org.apache.cassandra.db.ReadCommand.executeInternal(ReadCommand.java:397)	at org.apache.cassandra.service.pager.AbstractQueryPager.fetchPageInternal(AbstractQueryPager.java:77)	at org.apache.cassandra.service.pager.SinglePartitionPager.fetchPageInternal(SinglePartitionPager.java:34)	at org.apache.cassandra.db.view.View.readLocalRows(View.java:565)	at org.apache.cassandra.db.view.View.getTemporalRowSet(View.java:621)	at org.apache.cassandra.db.view.ViewManager.pushViewReplicaUpdates(ViewManager.java:136)	at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:516)	at org.apache.cassandra.db.Keyspace.applyFromCommitLog(Keyspace.java:409)	at org.apache.cassandra.db.commitlog.CommitLogReplayer$MutationInitiator$1.runMayThrow(CommitLogReplayer.java:157)	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)	at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)	at java.lang.Thread.run(Thread.java:745)