مشکل در ذخیره سازی مطلب

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سلام من هنگام ذخیره کردن مطلب با این پیام مواجه میشم

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ذخیره ناموفق با این ایرادها: Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8_unicode_ci,IMPLICIT) for operation '=' SQL=INSERT INTO `iio5h_finder_tokens_aggregate` (`term_id`, `term`, `stem`, `common`, `phrase`, `term_weight`, `context`, `context_weight`) SELECT t.term_id, t1.term, t1.stem, t1.common, t1.phrase, t1.weight, t1.context, ROUND( t1.weight * COUNT( t2.term ) * 1.700000, 8 ) AS context_weight FROM ( SELECT DISTINCT t1.term, t1.stem, t1.common, t1.phrase, t1.weight, t1.context FROM `iio5h_finder_tokens` AS t1 WHERE t1.context = 1 ) AS t1 JOIN `iio5h_finder_tokens` AS t2 ON t2.term = t1.term LEFT JOIN `iio5h_finder_terms` AS t ON t.term = t1.term WHERE t2.context = 1 GROUP BY t1.term ORDER BY t1.term DESC