Piwigo encountered a non recoverable error

[mysql error 1045] Access denied for user 'graphimerique'@'172.20.245.56' (using password: YES)
Can't connect to server

#1	my_error /mnt/113/sdb/b/6/graphimerique/piwigo/include/common.inc.php(129)
#2	include_once /mnt/113/sdb/b/6/graphimerique/piwigo/action.php(25)

Fatal error: [mysql error 1045] Access denied for user 'graphimerique'@'172.20.245.56' (using password: YES) Can't connect to server #1 my_error /mnt/113/sdb/b/6/graphimerique/piwigo/include/common.inc.php(129) #2 include_once /mnt/113/sdb/b/6/graphimerique/piwigo/action.php(25) in /mnt/113/sdb/b/6/graphimerique/piwigo/include/functions_html.inc.php on line 418