MMM VolvoOnCall module problem setup

[KPN]

Hi!
Totaly new in this!
I have sucsessfully installed magicmirror and added modules.
I have a Volvo car but have problem to get thisone work
Im following https://github.com/eouia/MMM-VolvoOnCall
After typing username and password in voc.conf I´m trying to do the command “voc list”
I then get the message "missing configuration: init() missing 2 required positional arguments: username and password

Can somebody please help me? The username and password is correct . Is it possible to find the file in file manager and not only in terminal?