搜索問題!?

請問各位大大最近論壇的搜索功能是怎麼了!?

為什麼有時候可以有時候不行呢?

是本身帳號問題嗎?還是.....論壇的問題呢?

請問有人有遇到跟我一樣的問題嗎?

小弟最近使用搜索都會呈現這些字樣↓

[b]Discuz! info[/b]: MySQL Query Error

[b]User[/b]: joe020507
[b]Time[/b]: 2010-6-5 8:14pm
[b]Script[/b]: /search_forum.php

[b]SQL[/b]: SELECT i.id, t.tid FROM ikt i LEFT JOIN threads_kt t ON t.id=i.id WHERE i.query='桜リエ;mode=phrase;limit=1000'  AND t.fid IN ('549','552','551','553','548','550','5','501','514','515','520','524','91','380','140','114','90','443','442','529','528','545','401','402','505','507','506','428','471','530','519','531','532','465','533','534','535','536','539','537','538','540','522','425','486','487','489','488','466','285','508','429','165','441','141','434','238','22','259','129','161','42','447','404','433','296','450','6','213','291','290','292','170','385','303','300','474','475','476','477','444','478','479','480','301','481','482','197','304','305','423','200','199','308','211','472','299','198','461','307','349','523','250','484','289','318','513','512','468','52','381','176','542','334','396','393','392','419','403','247','332','463','164','49','382','400','398','399','397','306','499','298','458','295','502','504','492','416','503','86','469','470','438','18','88','244','243','452','189','121','248','456','445','457','46','241','386','388','242','446','494','493','485','389','555','554','557','558','556','249','368','518','517','509','516','371','521','432','511','510','424','451','526','143','490','193','77','194','115','268','430','135','342','351','208','230','220','214','221','215','227','224','254','260','266','261','267','262','270','274','275','276','278','282','283','287','293','310','294','325','313','326','314','317','328','319','320','330','323','331','333','335','336','337','350','338','352','372','339','340','373','377','378','379','383','384','390','417','418','420','422','8','231','322','251','387','239','20','353') LIMIT 1000
[b]Error[/b]:  There was a problem processing the query on the foreign data source. Data source error: search query already specified; 'リ' is redundant
[b]Errno.[/b]:  1430

Similar error report has beed dispatched to administrator before.

麻煩請知道原因的大大為小弟解答一下小弟無限感激^^