Dresser - chest of drawers

Chybová zpráva: 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 ')) GROUP BY p.product_id, pc.combination_id' at line 7
Soubor: /stor1/matracema/html/web/models/products_combinations.php
Řádek: 515
Kód chyby: 1064
Chybný SQL doatz:
SELECT p.product_id as _key, pc.combination_id as _key2, pc.combination_id,
pc.combination, pc.product_number,
pc.price_bc, pc.price, pc.dph as dph_value, pc.price_dph,
pc.price_commend, pc.price_action, pc.price_action_set
FROM products p INNER JOIN products_combinations pc
ON (p.product_id = pc.product_id AND pc.available = 1)
WHERE (p.product_id IN ())
GROUP BY p.product_id, pc.combination_id