Are you logged in as an admin?
I logged whith the account i created when first prompted to the traccar web ui
Below the link of screen user logged
https://drive.google.com/file/d/1w4a8zf2DExvH1jsjWyeyE90_eliA4DUE/view?usp=sharing
So, you didn't login as an admin?
I deploy traccar latest version on docker
I need to add more users with read only permissions but I don't have users panel