proxy server log

4239:20120711:134729.555 Received configuration data from server. Datalen 45156
4239:20120711:134729.655 [Z3005] query failed: [1451] Cannot delete or update a parent row: a foreign key constraint fails (`zabbix/opgroup`, CONSTRAINT `c_opgroup_2` FOREIGN KEY (`groupid`) REFERENCES `groups` (`groupid`)) [delete from groups where groupid in (1,2,4);
delete from dchecks where dcheckid=2;
delete from drules where druleid=2;
delete from interface where interfaceid=1;
delete from hosts where hostid in (10047,10056,10060,10065,10066,10067,10068,10069,10070,10071,10072,10073,10074,10075,10076,10077,10078,10079,10081,10082,10083,10084);
]
4239:20120711:134729.655 failed to update local proxy cofiguration copy: database error

and add zabbix_agentd server must restart proxy or clear the database resumed after the introduction.