Cant login "authentication failure please note that password are case sensitive (14)"

[Cappa]

According to a post i read on the forums some time ago, it will be ok when you request a password change on the website for both account and game at once. and then use that new password.

edit: source: Solution to "Can't log in to game after changing password" / “Authentication Failure. Please note that passwords are case sensitive. (14)”