Latest Revision Freya Gameserver Error

[disorder25]

How can I fix this error?

 

gameserver\data\scripts\custom\GrandWedding\GrandWedding.java

java.lang.NullPointerException
       at custom.GrandWedding.GrandWedding.onTalk(GrandWedding.java:205)
       at com.l2jserver.gameserver.model.quest.Quest.notifyTalk(Quest.java:490)

       at handlers.bypasshandlers.QuestLink.showQuestWindow(QuestLink.java:168)

       at handlers.bypasshandlers.QuestLink.useBypass(QuestLink.java:59)
       at com.l2jserver.gameserver.model.actor.L2Npc.onBypassFeedback(L2Npc.jav
a:987)
       at com.l2jserver.gameserver.network.clientpackets.RequestBypassToServer.
runImpl(RequestBypassToServer.java:145)
       at com.l2jserver.gameserver.network.clientpackets.L2GameClientPacket.run
(L2GameClientPacket.java:62)
       at com.l2jserver.gameserver.network.L2GameClient.run(L2GameClient.java:1
001)
       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source
)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
       at java.lang.Thread.run(Unknown Source)

 

Please help me fix it.

Thank you.