PhpMyAdmin shows the following error while accessing database:
Connection for controluser as defined in your configuration failed
It's not possible to edit database via PhpMyAdmin interface.
Passwords missmatch for db users.
To resolve the issue passwords should be resynced. Reset the password for domain database user:
Website & Domains > Databases > Select necessary database > Click on the database user > Change password
#/usr/local/psa/bin/database --update-dbuser user_name -passwd 'new_password' -server localhost:3306
The database user was successfully updated.