Codeigniter - Unable to connect to your database server using the provided settings.

[eluser]vishpatel1990[/eluser]
I do have a account, the username is 'root', password is 'root123' having database named 'project'. And It is showing a list of users that are created when I installed WAMP Server by default. And I have the user that I have mentioned above has been given all permissions. I have attached a screenshot of the same below.