Php ne hatası bu yahu.

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'

Tekrar eden veri girilmiş. Primary Key valuesi "21" olan 2 adet veri girilemez.