ERROR - MySql Query

FILE: /var/www/html/infinitestatue.com/application/seo/seo.model.php

LINE: 199

QUERY: SELECT seo_title_en AS seo_title, seo_description_en AS seo_description, seo_keyword_en AS seo_keyword FROM tbl_seo WHERE seo_tag = 'toshirċ-mifune-o91' or seo_tag = 'default' ORDER BY CASE WHEN seo_tag = 'default' THEN seo_tag ELSE -1 END LIMIT 0,1

ERROR: [1267] Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='