Warning: mysqli::__construct(): (HY000/2002): Connection refused in /home2/a948741/public_html/gallery/include/dblayer/functions_mysqli.inc.php on line 52

Warning: my_error(): Couldn't fetch mysqli in /home2/a948741/public_html/gallery/include/dblayer/functions_mysqli.inc.php on line 848

Warning: my_error(): Couldn't fetch mysqli in /home2/a948741/public_html/gallery/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 /home2/a948741/public_html/gallery/include/common.inc.php(113)
#2	include_once /home2/a948741/public_html/gallery/picture.php(10)