Could not insert item 268584879 into DB:
java.sql.SQLException: Duplicate entry '268584879' for key 1
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2921)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1570)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:2978)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:2902)
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:930)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1159)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1076)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1061)
        at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:131)
        at net.sf.l2j.gameserver.model.L2ItemInstance.insertIntoDb(L2ItemInstance.java:584)
        at net.sf.l2j.gameserver.model.L2ItemInstance.updateDatabase(L2ItemInstance.java:470)
        at net.sf.l2j.gameserver.model.Inventory.addItem(Inventory.java:266)
        at net.sf.l2j.gameserver.model.PcInventory.addItem(PcInventory.java:45)
        at net.sf.l2j.gameserver.model.Inventory.addItem(Inventory.java:228)
        at net.sf.l2j.gameserver.model.L2TradeList.tradeItems(L2TradeList.java:245)
        at net.sf.l2j.gameserver.clientpackets.TradeDone.runImpl(TradeDone.java:66)
        at net.sf.l2j.gameserver.clientpackets.ClientBasePacket.run(ClientBasePacket.java:56)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
        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)