DedeCMS Error Warning!

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Error page: /tags.php?/%BC%F2%CA%F6%B4%FA%CE%BB%C8%A8%D0%D0%CA%B9%B5%C4%CC%F5%BC%FE/
Error infos: Illegal mix of collations (gbk_chinese_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'like'
Error sql: Select * From `dede_tagindex` where tag like 'λȨʹ' limit 0,1;

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