Warning: mysqli::__construct(): Error while reading greeting packet. PID=13678 in /usr/www/retroweb02/jumpacademy/include/database.php on line 9

Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /usr/www/retroweb02/jumpacademy/include/database.php:9 Stack trace: #0 /usr/www/retroweb02/jumpacademy/include/database.php(9): mysqli->__construct() #1 /usr/www/retroweb02/jumpacademy/public/profile.php(19): openDB_SB() #2 {main} thrown in /usr/www/retroweb02/jumpacademy/include/database.php on line 9