java.sql.SQLException: Illegal operation on empty result set.
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1056)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
at com.mysql.jdbc.ResultSetImpl.checkRowPos(ResultSetImpl.java:817)
at com.mysql.jdbc.ResultSetImpl.getInt(ResultSetImpl.java:2578)
at com.mysql.jdbc.ResultSetImpl.getInt(ResultSetImpl.java:2719)
at com.mchange.v2.c3p0.impl.NewProxyResultSet.getInt(NewProxyResultSet.java:2573)
at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.findOrderTradeList(AdminEditNpc.java:1005)
at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.delShopItem(AdminEditNpc.java:575)
at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.useAdminCommand(AdminEditNpc.java:190)
at net.sf.l2j.gameserver.network.clientpackets.RequestBypassToServer.runImpl(RequestBypassToServer.java:100)
at net.sf.l2j.gameserver.network.clientpackets.L2GameClientPacket.run(L2GameClientPacket.java:75)
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)
com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '91002-6' for key 'PRIMARY'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.Util.getInstance(Util.java:381)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1016)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3376)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3308)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1837)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1961)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2543)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1737)
at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:998)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.execute(NewProxyPreparedStatement.java:989)
at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.storeTradeList(AdminEditNpc.java:920)
at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.addShopItem(AdminEditNpc.java:628)
at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.useAdminCommand(AdminEditNpc.java:184)
at net.sf.l2j.gameserver.network.clientpackets.RequestBypassToServer.runImpl(RequestBypassToServer.java:100)
at net.sf.l2j.gameserver.network.clientpackets.L2GameClientPacket.run(L2GameClientPacket.java:75)
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)