Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-9, 9' at line 6 in /home/CT247/web/cantho247.vn/public_html/configs/dbconnect.class.php:17 Stack trace: #0 /home/CT247/web/cantho247.vn/public_html/configs/dbconnect.class.php(17): mysqli_query() #1 /home/CT247/web/cantho247.vn/public_html/adminis/models/Product.php(298): dbconnect->execute() #2 /home/CT247/web/cantho247.vn/public_html/ds-tin.php(53): Product->getListThongTin() #3 /home/CT247/web/cantho247.vn/public_html/index.php(312): include('...') #4 {main} thrown in /home/CT247/web/cantho247.vn/public_html/configs/dbconnect.class.php on line 17