Warning: mysqli::__construct(): MySQL server has gone away in D:\xampp\htdocs\common\conn.php on line 12

Warning: mysqli::__construct(): Error while reading greeting packet. PID=6528 in D:\xampp\htdocs\common\conn.php on line 12

Warning: mysqli::__construct(): (HY000/2006): MySQL server has gone away in D:\xampp\htdocs\common\conn.php on line 12
Connection failed: MySQL server has gone away