insert into nss_item(it_id,it_name,it_amount,it_stock_qty,it_explan) values('1745069804','[도서구입] 달포 동안의 인생 스케치 - 차영모','','99999','')

1062 : Duplicate entry '1745069804' for key 1

error file : /home/klw/book_buy.php