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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 C:\xampp\htdocs\vam\get_pilot_data.php:23 Stack trace: #0 C:\xampp\htdocs\vam\get_pilot_data.php(23): mysqli->query('SELECT *, date_...') #1 C:\xampp\htdocs\vam\vam_header.php(99): include('C:\\xampp\\htdocs...') #2 C:\xampp\htdocs\vam\main_vam_op.php(13): include('C:\\xampp\\htdocs...') #3 C:\xampp\htdocs\vam\index_vam_op.php(25): include('C:\\xampp\\htdocs...') #4 {main} thrown in C:\xampp\htdocs\vam\get_pilot_data.php on line 23