Warning: mysqli_connect(): Error while reading greeting packet. PID=3330169 in /var/www/vhosts/eterns.es/dev.eterns.es/conectar.php on line 17

Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/vhosts/eterns.es/dev.eterns.es/conectar.php:17 Stack trace: #0 /var/www/vhosts/eterns.es/dev.eterns.es/conectar.php(17): mysqli_connect() #1 /var/www/vhosts/eterns.es/dev.eterns.es/cementerio/ayuda.php(3): require_once('...') #2 {main} thrown in /var/www/vhosts/eterns.es/dev.eterns.es/conectar.php on line 17