Error: SELECT cf.ID as ID, cf.NameTr as NameTr FROM `alt_featurecontents` AS fc LEFT JOIN alt_categoryfeatures as cf ON cf.ID=fc.FeatureID LEFT JOIN alt_categoryfeaturesgroup as cfg ON cfg.FeatureID=fc.ID WHERE cf.front=1 AND cfg.ProductID in () GROUP BY cf.ID order by cf.FeatureOrder

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 cf.ID order by cf.FeatureOrder' at line 9