Fatal error: Uncaught Exception: 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 ') ORDER BY fp.sort_order' at line 1<br />Error No: 1064<br />SELECT fp.*, fpd.question, fpd.answer, (SELECT COUNT(*) AS total FROM oc_faq_product_useful fpu WHERE fpu.question_id = fp.question_id AND fpu.type = 'useful' GROUP BY fpu.question_id) AS useful, (SELECT COUNT(*) AS total FROM oc_faq_product_useful fpu WHERE fpu.question_id = fp.question_id AND fpu.type = 'nouseful' GROUP BY fpu.question_id) AS no_useful FROM oc_faq_product fp LEFT JOIN oc_faq_product_description fpd ON (fpd.question_id = fp.question_id AND fpd.language_id = '3') LEFT JOIN oc_faq_product_to_category fp2c ON fp2c.question_id = fp.question_id WHERE fp.status = '1' AND fp2c.category_id IN () ORDER BY fp.sort_order in /home/versum01/versum.ua/www/system/storage/modification/system/library/db/mysqli.php:47 Stack trace: #0 /home/versum01/versum.ua/www/system/library/db.php(16): D in /home/versum01/versum.ua/www/system/storage/modification/system/library/db/mysqli.php on line 47