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, 12' at line 4 in /home/u152149092/domains/pahadi-crafts.com/public_html/courses.php:47 Stack trace: #0 /home/u152149092/domains/pahadi-crafts.com/public_html/courses.php(47): mysqli->query() #1 {main} thrown in /home/u152149092/domains/pahadi-crafts.com/public_html/courses.php on line 47