insert into nss_item(it_id,it_name,it_amount,it_stock_qty,it_explan) values('1745025835','[도서구입] (44)그리운 고향 지사리-김철모 시집','','99999','')

1062 : Duplicate entry '1745025835' for key 1

error file : /home/klw/book_buy.php