Hi folks since there are no correct answer i would like to give the explanation and the solution.
The solution is picking one of this:

1. Go to app menu and upgrade base module, or
2. Create custom group inside settings > groups > create, and then delete it

By doing one of these, you are triggering _update_user_groups_view() method inside base module. this method is responsible to show all available groups so when you create a new one, it will trigger a new view thus the view will go back to normal

Hope this helps

Altela (altelasoftware.com)