Arkadaşlar datayı içeri al dediğimde çıkan hata

Hata
SQL sorgusu:

-- -- Tablo döküm verisi `rossi_commentmeta` -- INSERT INTO `rossi_commentmeta` (`meta_id`, `comment_id`, `meta_key`, `meta_value`) VALUES (21, 28, 'rating', '5'), (22, 29, 'rating', '5'), (23, 30, 'rating', '4'), (24, 31, 'rating', '5'), (25, 32, 'rating', '5'), (26, 33, 'rating', '5'), (27, 34, 'rating', '5'), (28, 35, 'rating', '5'), (29, 36, 'rating', '5'), (30, 37, 'rating', '5'), (31, 38, 'rating', '5'), (32, 39, 'rating', '5'), (33, 40, 'rating', '5'), (37, 42, 'rating', '5'), (38, 43, 'rating', '5'), (39, 44, 'rating', '5'), (40, 45, 'rating', '5'), (41, 46, 'rating', '5'), (42, 47, 'rating', '5'), (43, 48, 'rating', '5'), (44, 49, 'rating', '5'), (45, 46, 'verified', '0'), (46, 43, 'verified', '0'), (47, 45, 'verified', '0'), (58, 66, 'akismet_error', '1474586482'), (59, 66, 'akismet_history', 'a:4:{s:4:"time";d:1474586482.6823189258575439453125;s:5:"event";s:11:"check-error";s:4:"user";s:5:"admin";s:4:"meta";a:1:{s:8:"response";s:7:"invalid";}}'), (60, 66, 'akismet_as_su[...]

MySQL çıktısı: Belgeler

#1062 - Duplicate entry '21' for key 'PRIMARY'