error in query - SELECT product_id, name_lang1, name_lang2, name_lang3, name_lang4, name_lang5, name_lang6, small_description_lang1, small_description_lang2, small_description_lang3, small_description_lang4, small_description_lang5, small_description_lang6, small_picture, your_price, avail_in_stock, avail_day, avail_month, avail_year, inventory_number FROM diffshop_products WHERE ( product_id IN ( )) AND available='1' ORDER BY product_id ASC - 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 available='1' ORDER BY product_id ASC' at line 1