insert g4_visit ( vi_id, vi_ip, vi_date, vi_time, vi_referer, vi_agent ) values ( '18431', '34.231.21.83', '2020-06-01', '01:56:29', '', 'CCBot/2.0 (https://commoncrawl.org/faq/)' )

1062 : Duplicate entry '34.231.21.83-2020-06-01' for key 2

error file : /bbs/board.php