insert into nss_item(it_id,it_name,it_amount,it_stock_qty,it_explan) values('1745025886','[도서구입] (32) 정하선\'의 민조시집-석간송 석간수','','99999','')

1062 : Duplicate entry '1745025886' for key 1

error file : /home/klw/book_buy.php