Piwigo encountered a non recoverable error

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

#1	my_error /home/irennorte/public_html/album/include/common.inc.php(120)
#2	include_once /home/irennorte/public_html/album/index.php(26)