Warning: mysqli_connect(): Error while reading greeting packet. PID=394635 in /var/www/vhosts/pdvcalcados.com.br/httpdocs/include/open_db.php on line 10

Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/vhosts/pdvcalcados.com.br/httpdocs/include/open_db.php:10 Stack trace: #0 /var/www/vhosts/pdvcalcados.com.br/httpdocs/include/open_db.php(10): mysqli_connect() #1 /var/www/vhosts/pdvcalcados.com.br/httpdocs/include/site/cabecalho.php(2): require('...') #2 /var/www/vhosts/pdvcalcados.com.br/httpdocs/index.php(1): require('...') #3 {main} thrown in /var/www/vhosts/pdvcalcados.com.br/httpdocs/include/open_db.php on line 10