insert into nss_item(it_id,it_name,it_amount,it_stock_qty,it_explan) values('1738522124','[도서구입] (35번) 김용화 시집-사랑을 정의하지 마라','','99999','')

1062 : Duplicate entry '1738522124' for key 1

error file : /home/klw/book_buy.php