お世話になっております。

１．Zabbix server+Zabbix Proxyの構成で環境を構築
２．Zabbix serverはノード方式に変更
３．Zabbix serverサービスを停止して、NodeIDを変更して、コンバートを行って、サービスを起動。
下記のmysqlエラーがzabbix_server.logにずっと出ます。

利用しているzabbixバージョンは1.8.6（1.8.7も同じ現象です）
OS：CentOS5 32bit
mysql：5

このエラーが発生する原因は教えてもらえませんか。
宜しくお願いいたします。
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8651:20110920:092948.568 [Z3005] query failed: [1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'items set lastclock=1316482187,status=3,error='Not supported by Zabbix Agent' wh' at line 1 [update items set lastclock=1316482185,prevvalue=lastvalue,lastvalue='1' where itemid=10210200000018435update items set lastclock=1316482187,status=3,error='Not supported by Zabbix Agent' where itemid=10210200000018437update items set lastclock=1316482185,prevorgvalue='37630118.000000' where itemid=10210200000018440update items set lastclock=1316482186,status=3,error='Not supported by Zabbix Agent' where itemid=10210200000018441update items set lastclock=1316482187,prevorgvalue='1132564.000000' where itemid=10210200000018442update items set lastclock=1316482188,prevorgvalue='53217220.000000' where itemid=10210200000018443update items set lastclock=1316482184,status=3,error='Not supported by Zabbix Agent' where itemid=10210200000018444update items set lastclock=1316482185,prevorgvalue='1128434.000000' where itemid=10210200000018445update items set lastclock=1316482184,status=3,error='Not supported by Zabbix Agent' where itemid=10210200000018464update items set lastclock=1316482187,prevvalue=lastvalue,lastvalue='0.000000' where itemid=10210200000018467update items set lastclock=1316482188,prevvalue=lastvalue,lastvalue='0.000000' where itemid=10210200000018468update items set lastclock=1316482184,prevvalue=lastvalue,lastvalue='0.116192' where itemid=10210200000018474update items set lastclock=1316482186,prevvalue=lastvalue,lastvalue='97.081515' where itemid=10210200000018496update items set lastclock=1316482184,prevvalue=lastvalue,lastvalue='76.731784' where itemid=10210200000018524update items set lastclock=1316482185,prevvalue=lastvalue,lastvalue='23.268216' where itemid=10210200000018525update items set lastclock=1316482187,prevvalue=lastvalue,lastvalue='1341255680' where itemid=10210200000018527update items set lastclock=1316482188,prevvalue=lastvalue,lastvalue='4423069696' where itemid=10210200000018528update items set lastclock=1316482180,prevorgvalue='52562446.000000',prevvalue=lastvalue,lastvalue='7209.005107' where itemid=10210200000022780update items set lastclock=1316482181,prevorgvalue='26660061.000000',prevvalue=lastvalue,lastvalue='3594.650044' where itemid=10210200000022781update items set lastclock=1316482183,prevorgvalue='52565941.000000',prevvalue=lastvalue,lastvalue='7171.504055' where itemid=10210200000022783update items set lastclock=1316482181,prevvalue=lastvalue,lastvalue='0.000000' where itemid=10210200000022806update items set lastclock=1316482179,prevvalue=lastvalue,lastvalue='0.024905' where itemid=10210200000022809update items set lastclock=1316482180,prevvalue=lastvalue,lastvalue='0.000000' where itemid=10210200000022810update items set lastclock=1316482181,prevvalue=lastvalue,lastvalue='0.008303' where itemid=10210200000022811update items set lastclock=1316482182,prevvalue=lastvalue,lastvalue='0.066418' where itemid=10210200000022812update items set lastclock=1316482179,prevvalue=lastvalue,lastvalue='23.150829' where itemid=10210200000022869]