cant edit npc and then at console i get that 

        at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.getItemName(AdminEditNpc.java:507)
        at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.showNpcDropList(AdminEditNpc.java:1228)
        at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.useAdminCommand(AdminEditNpc.java:128)
        at net.sf.l2j.gameserver.network.clientpackets.RequestBypassToServer.runImpl(RequestBypassToServer.java:91)
        at net.sf.l2j.gameserver.network.clientpackets.L2GameClientPacket.run(L2GameClientPacket.java:39)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
does anyone know why?

On 11/5/2019 at 2:58 PM, Laxus said:

net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.getItemName(AdminEditNpc.java:507)

If it's full error, then here is your answer.