class transfer error

[skz]

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L2J Revision 5666m:
L2JDP Revision 9229m:

hi all ...when i use test server helper npc to complite class transer i get a message in game and in gameserver console about bad request java.lang.nullpointerexception at com.l2jserver/gameserver.model.actor.instance....
this is cuz these files are underconstraction ?or i have done something wrong?before 1 month i compile and there
was not this problem ....ty in advance

[Zoey76]

Post the error log.

[skz]

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[Character: skz[268483972] - Account: skz - IP: 192.168.1.10] sent bad RequestBypassToServer: "npc_268484086_1stClass"java.lang.NullPointerException        at com.l2jserver.gameserver.model.actor.instance.L2ClassMasterInstance.getRequiredItems(L2ClassMasterInstance.java:432)        at com.l2jserver.gameserver.model.actor.instance.L2ClassMasterInstance.showHtmlMenu(L2ClassMasterInstance.java:275)        at com.l2jserver.gameserver.model.actor.instance.L2ClassMasterInstance.onBypassFeedback(L2ClassMasterInstance.java:67)        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:1072)        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)        at java.lang.Thread.run(Unknown Source) and when i turn off the server and turn on again the npc is not there i have to //spawn again ..ty in advance