Piwigo encountered a non recoverable error

[mysql error 1045] Access denied for user 'nhadda'@'172.20.245.52' (using password: YES)
Can't connect to server

#1	my_error /mnt/105/sdb/d/d/nhadda/include/common.inc.php(115)
#2	include_once /mnt/105/sdb/d/d/nhadda/index.php(26)

Fatal error: [mysql error 1045] Access denied for user 'nhadda'@'172.20.245.52' (using password: YES) Can't connect to server #1 my_error /mnt/105/sdb/d/d/nhadda/include/common.inc.php(115) #2 include_once /mnt/105/sdb/d/d/nhadda/index.php(26) in /mnt/105/sdb/d/d/nhadda/include/functions_html.inc.php on line 399