insert into nss_item(it_id,it_name,it_amount,it_stock_qty,it_explan) values('1745071632','[도서구입] (31)김사빈 동시집- 순이와 매워새 노래','','99999','')

1062 : Duplicate entry '1745071632' for key 1

error file : /home/klw/book_buy.php