java.lang.NullPointerException
        at net.sf.l2j.gameserver.Olympiad.getSpectators(Olympiad.java:843)
        at net.sf.l2j.gameserver.model.actor.instance.L2PcInstance.broadcastStatusUpdate(L2PcInstance.java:3633)
        at net.sf.l2j.gameserver.model.actor.status.CharStatus.setCurrentMp(CharStatus.java:443)
        at net.sf.l2j.gameserver.model.actor.status.CharStatus.setCurrentMp(CharStatus.java:412)
        at net.sf.l2j.gameserver.model.actor.status.CharStatus.reduceMp(CharStatus.java:231)
        at net.sf.l2j.gameserver.model.L2Character.reduceCurrentMp(L2Character.java:5569)
        at net.sf.l2j.gameserver.skills.effects.EffectManaDamOverTime.onActionTime(EffectManaDamOverTime.java:56)
        at net.sf.l2j.gameserver.model.L2Effect.scheduleEffect(L2Effect.java:431)
        at net.sf.l2j.gameserver.model.L2Effect$EffectTask.run(L2Effect.java:144)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:619)