BEAST dplace16 2

gistfile1.txt

451 4:nina1238,yano1261,yano1262,sanu1240,
Fatal exception: null
java.lang.NullPointerException
        at beast.evolution.operators.AttachOperator.reAttach(AttachOperator.java:314)
        at beast.evolution.operators.AttachOperator.proposal(AttachOperator.java:217)
        at beast.core.Operator.proposal(Operator.java:83)
        at beast.core.MCMC.propagateState(MCMC.java:487)
        at beast.core.MCMC.doLoop(MCMC.java:383)
        at beast.core.MCMC.run(MCMC.java:353)
        at beast.app.BeastMCMC.run(BeastMCMC.java:357)
        at beast.app.beastapp.BeastMain.<init>(BeastMain.java:113)
        at beast.app.beastapp.BeastMain.main(BeastMain.java:659)
Fatal exception: null
java.lang.RuntimeException: An error was encounted. Terminating BEAST
        at beast.app.util.ErrorLogHandler.publish(ErrorLogHandler.java:30)
        at java.util.logging.Logger.log(Logger.java:738)
        at java.util.logging.Logger.doLog(Logger.java:765)
        at java.util.logging.Logger.log(Logger.java:788)
        at java.util.logging.Logger.severe(Logger.java:1463)
        at beast.app.beastapp.BeastMain.<init>(BeastMain.java:177)
        at beast.app.beastapp.BeastMain.main(BeastMain.java:659)