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 '-12' at line 6 in /home/u548281063/domains/bharathighschool.com/public_html/alumni-list.php:43 Stack trace: #0 /home/u548281063/domains/bharathighschool.com/public_html/alumni-list.php(43): mysqli->query() #1 {main} thrown in /home/u548281063/domains/bharathighschool.com/public_html/alumni-list.php on line 43