[IIIeik]

подцкажите что это за ошибки
не могу понять лезут и лезут

ERROR [05 сен 2010 20:14:42,984] mysql5.MySQL5InventoryDAO:454 Error delete item. ItemObjId: 70911
com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Cannot delete or update a parent row: a foreign key constraint fails (`al_server_gs`.`item_stones`, CONSTRAINT `item_stones_ibfk_1` FOREIGN KEY (`itemUniqueId`) REFERENCES `inventory` (`itemUniqueId`))
	at sun.reflect.GeneratedConstructorAccessor178.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:409)
	at com.mysql.jdbc.Util.getInstance(Util.java:384)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1041)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3566)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3498)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1959)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2113)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2568)
	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2113)
	at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1364)
	at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)
	at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)
	at mysql5.MySQL5InventoryDAO.deleteItem(MySQL5InventoryDAO.java from JavaSourceFromFile:449)
	at mysql5.MySQL5InventoryDAO.store(MySQL5InventoryDAO.java from JavaSourceFromFile:354)
	at com.aionemu.gameserver.taskmanager.tasks.ItemUpdater.callTask(ItemUpdater.java:57)
	at com.aionemu.gameserver.taskmanager.tasks.ItemUpdater.callTask(ItemUpdater.java:30)
	at com.aionemu.gameserver.taskmanager.AbstractFIFOPeriodicTaskManager.run(AbstractFIFOPeriodicTaskManager.java:75)
	at com.aionemu.commons.utils.concurrent.ExecuteWrapper.execute(ExecuteWrapper.java:61)
	at com.aionemu.commons.utils.concurrent.ExecuteWrapper.run(ExecuteWrapper.java:42)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask$Sync.innerRunAndReset(Unknown Source)
	at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(Unknown Source)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(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)