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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 '' at line 1 in G:\XAMPP\htdocs\aiims\hindi\user\alumnus_pdf.php:69 Stack trace: #0 G:\XAMPP\htdocs\aiims\hindi\user\alumnus_pdf.php(69): mysqli_query(Object(mysqli), 'SELECT * FROM m...') #1 {main} thrown in G:\XAMPP\htdocs\aiims\hindi\user\alumnus_pdf.php on line 69