Warning: mysqli::__construct(): MySQL server has gone away in /home/sfputris/www/photographie/include/dblayer/functions_mysqli.inc.php on line 52

Warning: mysqli::__construct(): Error while reading greeting packet. PID=14961 in /home/sfputris/www/photographie/include/dblayer/functions_mysqli.inc.php on line 52

Warning: mysqli::__construct(): (HY000/2006): MySQL server has gone away in /home/sfputris/www/photographie/include/dblayer/functions_mysqli.inc.php on line 52

Warning: my_error(): Couldn't fetch mysqli in /home/sfputris/www/photographie/include/dblayer/functions_mysqli.inc.php on line 848

Warning: my_error(): Couldn't fetch mysqli in /home/sfputris/www/photographie/include/dblayer/functions_mysqli.inc.php on line 848

Piwigo encountered a non recoverable error

[mysql error ] 
Can't connect to server

#1	my_error /home/sfputris/www/photographie/include/common.inc.php(113)
#2	include_once /home/sfputris/www/photographie/index.php(11)