Warning: mysqli_connect(): Error while reading greeting packet. PID=539 in /var/www/html/app/code/classes/SQL.php on line 68

Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/html/app/code/classes/SQL.php:68 Stack trace: #0 /var/www/html/app/code/classes/SQL.php(68): mysqli_connect('d2686.1blu.de', 'preisgolem', Object(SensitiveParameterValue), 'preisgolem', 3306) #1 /var/www/html/app/code/classes/SQL.php(21): SQL->Verbindungsnr(0) #2 /var/www/html/app/code/classes/IPinfo.php(7): SQL->__construct(0) #3 /var/www/html/index.php(104): IPinfo::addIP() #4 {main} thrown in /var/www/html/app/code/classes/SQL.php on line 68