Warning: mysqli::__construct(): (HY000/1045): Access denied for user 'root'@'localhost' (using password: NO) in /data/web/htdocs/pwberit_marie/piwigo_delete/include/dblayer/functions_mysqli.inc.php on line 52

Warning: my_error(): Couldn't fetch mysqli in /data/web/htdocs/pwberit_marie/piwigo_delete/include/dblayer/functions_mysqli.inc.php on line 839

Warning: my_error(): Couldn't fetch mysqli in /data/web/htdocs/pwberit_marie/piwigo_delete/include/dblayer/functions_mysqli.inc.php on line 839

Piwigo encountered a non recoverable error

[mysql error ] 
Can't connect to server

#1	my_error /data/web/htdocs/pwberit_marie/piwigo_delete/include/common.inc.php(113)
#2	include_once /data/web/htdocs/pwberit_marie/piwigo_delete/index.php(11)