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 '-6,6' at line 1 in /home/u314213373/domains/zeropublication.com/public_html/books.php:33 Stack trace: #0 /home/u314213373/domains/zeropublication.com/public_html/books.php(33): mysqli->query() #1 {main} thrown in /home/u314213373/domains/zeropublication.com/public_html/books.php on line 33