Fatal error: Uncaught mysqli_sql_exception: 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 ') AND category = 'Requirement'' at line 1 in /var/www/html/RMT/export_to_csv.php:29 Stack trace: #0 /var/www/html/RMT/export_to_csv.php(29): mysqli_query() #1 {main} thrown in /var/www/html/RMT/export_to_csv.php on line 29