Warning: mysqli_errno() expects exactly 1 parameter, 0 given in /home/test21/html/admin/lib/function.php on line 27

Warning: mysqli_error() expects exactly 1 parameter, 0 given in /home/test21/html/admin/lib/function.php on line 27

select * from Gn_Product_Detail where d_it_id = and d_use = 1 order by d_sort desc

:

error file : /product/item.php