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 '-5,5' at line 1 in /var/www/html/modules/work/work.class.php:220 Stack trace: #0 /var/www/html/modules/work/work.class.php(220): mysqli->query('SELECT * FROM `...') #1 /var/www/html/modules/work/company.php(47): Work->listWorkCat(-5, 5, 'WHERE `co_id`='...') #2 /var/www/html/modules/work/controller.php(24): require('/var/www/html/m...') #3 /var/www/html/index.php(116): require('/var/www/html/m...') #4 {main} thrown in /var/www/html/modules/work/work.class.php on line 220