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 '@rediffmail.com' at line 1 in /home/u776339737/domains/hummatools.com/public_html/product.php:9 Stack trace: #0 /home/u776339737/domains/hummatools.com/public_html/product.php(9): mysqli_query() #1 {main} thrown in /home/u776339737/domains/hummatools.com/public_html/product.php on line 9