java.lang.NullPointerException
at l2.universe.scripts.custom.NpcBuffer.RebuildMainHtml(NpcBuffer.java:170)
at l2.universe.scripts.custom.NpcBuffer.onFirstTalk(NpcBuffer.java:1934)
at l2.universe.gameserver.model.quest.Quest.notifyFirstTalk(Quest.java:527)
at handlers.actionhandlers.L2NpcAction.action(L2NpcAction.java:145)
at l2.universe.gameserver.model.L2Object.onAction(L2Object.java:274)
at l2.universe.gameserver.model.L2Object.onAction(L2Object.java:267)
at l2.universe.gameserver.network.clientpackets.Action.runImpl(Action.java:132)
at l2.universe.gameserver.network.clientpackets.L2GameClientPacket.run(L2GameClientPacket.java:62)
at l2.universe.gameserver.network.L2GameClient.run(L2GameClient.java:1004)
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)