V aplikaci došlo k chybě. | Error in application.

500 Internal server error

Message: 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 multishop_producer.id ORDER BY multishop_producer.name' at line 1

Dotaz: SELECT product_category.*, multishop_producer.name, multishop_producer.id AS idp FROM product_category JOIN product ON product.id=product_category.id_product JOIN multishop_producer ON multishop_producer.id=product.id_producer AND multishop_producer.id_multishop=3 WHERE id_category IN () GROUP BY multishop_producer.id ORDER BY multishop_producer.name
File: /var/www/web2/vretenovesekacky.cz/vretenovesekacky.cz/engine/lib/classes/database.php
Line: 37
Trace: #0 /var/www/web2/vretenovesekacky.cz/vretenovesekacky.cz/engine/lib/classes/cpersistor.php(388): database->get_recordset('SELECT product_...')
#1 /var/www/web2/vretenovesekacky.cz/vretenovesekacky.cz/multishop.php(278): persistor->fw_dataset_join_tables('JOIN product ON...', 'multishop_produ...', 'multishop_produ...', NULL, 'id_category IN ...', 'multishop_produ...')
#2 /var/www/web2/vretenovesekacky.cz/vretenovesekacky.cz/index.php(371): include('/var/www/web2/v...')
#3 {main}