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 'ON DUPLICATE KEY UPDATE counter = counter + VALUES(counter) /* joyce.future.h...' at line 1 in /usr/share/php/DB/mysqli.php:403 Stack trace: #0 /usr/share/php/DB/mysqli.php(403): mysqli_query() #1 /usr/share/php/DB/common.php(1219): DB_mysqli->simpleQuery() #2 /home/future/html/redir.php(267): DB_common->query() #3 /home/future/html/index.php(52): require('...') #4 {main} thrown in /usr/share/php/DB/mysqli.php on line 403