system of movements using

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 '-10, 10' at line 1 in C:\inetpub\vhosts\falloutug.net\httpdocs\f4\forums\general\system-of-movements-using.php:409 Stack trace: #0 C:\inetpub\vhosts\falloutug.net\httpdocs\f4\forums\general\system-of-movements-using.php(409): mysqli->query() #1 {main} thrown in C:\inetpub\vhosts\falloutug.net\httpdocs\f4\forums\general\system-of-movements-using.php on line 409