Warning: mysqli::__construct(): Error while reading greeting packet. PID=18 in /var/www/html/connection.php on line 3

Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/html/connection.php:3 Stack trace: #0 /var/www/html/connection.php(3): mysqli->__construct('monorail.proxy....', 'u936468638_neme...', Object(SensitiveParameterValue), 'u936468638_neme...', '42949') #1 /var/www/html/munkak/aktualis/index.php(2): require_once('/var/www/html/c...') #2 {main} thrown in /var/www/html/connection.php on line 3