Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in C:\xampp\htdocs\bnpol\common\conn.php:40 Stack trace: #0 C:\xampp\htdocs\bnpol\common\conn.php(40): mysqli->__construct() #1 C:\xampp\htdocs\bnpol\common\header.php(7): include('...') #2 C:\xampp\htdocs\bnpol\saanjhbaati.php(2): include('...') #3 {main} thrown in C:\xampp\htdocs\bnpol\common\conn.php on line 40