my plesk panel can not connect database

[MaverickGizli]

i can not restore my plesk backups because plesk mysql password change.

how can I change my plesk mysql password.

 

[sergius]

You should change Plesk admin password

 

[MaverickGizli]

we changed plesk password but we can't to database.
Error Message is

"Unable to update database parameters: Try to establish connection failed: Failed to connect to database: Access denied for user 'admin'@'localhost' (using password: YES)"

what we can do?