Error Info: MySQL Query Error

Time: 2013-05-19 18:06:06
Script: /game.php

SQL: select * from products where status=1 and gid= and sid= order by price asc
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and sid= order by price asc' at line 1
Errno.: 1064