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Warning: mysqli::__construct(): Error while reading greeting packet. PID=31223 in /var/www/html/piwigo/web/include/dblayer/functions_mysqli.inc.php on line 52

Warning: mysqli::__construct(): (HY000/2006): MySQL server has gone away in /var/www/html/piwigo/web/include/dblayer/functions_mysqli.inc.php on line 52

Fatal error: Uncaught Error: mysqli object is already closed in /var/www/html/piwigo/web/include/dblayer/functions_mysqli.inc.php:839 Stack trace: #0 /var/www/html/piwigo/web/include/common.inc.php(122): my_error('Can't connect t...', true) #1 /var/www/html/piwigo/web/index.php(11): include_once('/var/www/html/p...') #2 {main} thrown in /var/www/html/piwigo/web/include/dblayer/functions_mysqli.inc.php on line 839