Cassandra 2.0.4 cannot start

ERROR [main] 2014-02-05 16:19:24,375 CassandraDaemon.java (line 478) Exception encountered during startup
java.lang.IllegalStateException: Unfinished compactions reference missing sstables. This should never happen since compactions are marked finished before we start removing the old sstables.
        at org.apache.cassandra.db.ColumnFamilyStore.removeUnfinishedCompactionLeftovers(ColumnFamilyStore.java:495)
        at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:264)
        at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:461)
        at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:504)

mkdir /opt/cassandra/compactions_in_progress.20140205; mv /opt/cassandra/data/system/compactions_in_progress/* /opt/cassandra/compactions_in_progress.20140205/