DedeCMS Error Warning!

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Error page: /tags.php?/2015%B0%B0%C9%BD%C1%AE%D7%E2%B7%BF/
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 '2015ɽⷿ' limit 0,1;

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