Piwigo encountered a non recoverable error

[mysql error 1045] Access denied for user 'alain.desire'@'172.20.245.55' (using password: YES)
Can't connect to server

#1	my_error /mnt/110/sda/d/a/alain.desire/phpwebgallery/include/common.inc.php(119)
#2	include_once /mnt/110/sda/d/a/alain.desire/phpwebgallery/tags.php(48)

Fatal error: [mysql error 1045] Access denied for user 'alain.desire'@'172.20.245.55' (using password: YES) Can't connect to server #1 my_error /mnt/110/sda/d/a/alain.desire/phpwebgallery/include/common.inc.php(119) #2 include_once /mnt/110/sda/d/a/alain.desire/phpwebgallery/tags.php(48) in /mnt/110/sda/d/a/alain.desire/phpwebgallery/include/functions_html.inc.php on line 428