FishEye can't scan repository. "Cannot create a position that is between two identical positions"

2011-07-04 09:29:45,118 ERROR [InitialPinger1 TorontoRD] fisheye.app BaseRepositoryScanner-handleSlurpException - Problem processing revisions from repo TorontoRD due to class java.lang.IllegalArgumentException - Cannot create a position that is between two identical positions
java.lang.IllegalArgumentException: Cannot create a position that is between two identical positions
	at com.cenqua.fisheye.rep.Position.createBetween(Position.java:157)
	at com.cenqua.fisheye.rep.impl.CommonChangeSetDAO.createPositionForDate(CommonChangeSetDAO.java:493)
	at com.cenqua.fisheye.rep.impl.CommonChangeSetDAO.determinePosition(CommonChangeSetDAO.java:384)
	at com.cenqua.fisheye.rep.impl.CommonChangeSetDAO.storeAttributes(CommonChangeSetDAO.java:370)
	at com.cenqua.fisheye.svn.db.SvnChangeSetDAO.storeAttributes(SvnChangeSetDAO.java:39)
	at com.cenqua.fisheye.svn.db.SvnChangeSetDAO.storeAttributes(SvnChangeSetDAO.java:19)
	at com.cenqua.fisheye.rep.impl.CommonChangeSetDAO.storeWithoutLimits(CommonChangeSetDAO.java:271)
	at com.cenqua.fisheye.rep.impl.CommonChangeSetDAO.store(CommonChangeSetDAO.java:258)
	at com.cenqua.fisheye.svn.DiffChangeSetProcessor.processChangeSet(DiffChangeSetProcessor.java:370)
	at com.cenqua.fisheye.svn.DiffChangeSetProcessor.createChangeSet(DiffChangeSetProcessor.java:304)
	at com.cenqua.fisheye.svn.SvnRepositoryScanner.slurpRevisionBlock(SvnRepositoryScanner.java:431)
	at com.cenqua.fisheye.rep.RepositoryScanner.processRevisions(RepositoryScanner.java:153)
	at com.cenqua.fisheye.rep.BaseRepositoryScanner.slurpRepository(BaseRepositoryScanner.java:301)
	at com.cenqua.fisheye.rep.BaseRepositoryScanner.doSlurpTransaction(BaseRepositoryScanner.java:268)
	at com.cenqua.fisheye.rep.BaseRepositoryScanner.ping(BaseRepositoryScanner.java:201)
	at com.cenqua.fisheye.rep.BaseRepositoryEngine.doSlurp(BaseRepositoryEngine.java:90)
	at com.cenqua.fisheye.rep.RepositoryEngine.slurp(RepositoryEngine.java:390)
	at com.cenqua.fisheye.rep.ping.OneOffPingRequest.doRequest(OneOffPingRequest.java:25)
	at com.cenqua.fisheye.rep.ping.PingRequest.process(PingRequest.java:66)
	at com.cenqua.fisheye.rep.RepositoryHandle.processPingRequests(RepositoryHandle.java:132)
	at com.cenqua.fisheye.rep.RepositoryHandle.queuePingRequest(RepositoryHandle.java:122)
	at com.cenqua.fisheye.rep.ping.PingRequest.run(PingRequest.java:33)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)
2011-07-04 09:29:45,123 ERROR [InitialPinger1 TorontoRD] fisheye.app BaseRepositoryScanner-handleSlurpException - Repository scanner paused.