Fatal error: Uncaught ArgumentCountError: The number of variables must match the number of parameters in the prepared statement in /var/www/html/mecnst/track.php:101 Stack trace: #0 /var/www/html/mecnst/track.php(101): mysqli_stmt->bind_param() #1 /var/www/html/mecnst/top_head.php(325): include('...') #2 /var/www/html/mecnst/message_all.php(6): include('...') #3 {main} thrown in /var/www/html/mecnst/track.php on line 101