Warning: Undefined array key "language" in C:\xampp\htdocs\vam\index_vam_op.php on line 19

Warning: include(./languages/lang_.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\vam\index_vam_op.php on line 19

Warning: include(): Failed opening './languages/lang_.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\vam\index_vam_op.php on line 19

Warning: Undefined array key "id" in C:\xampp\htdocs\vam\get_pilot_data.php on line 13

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