1. Go to the Settings module and click on the '+ Add Group'.
Please Note: Having a Group is mandatory while creating a sub-user.
2. Add the group name and give a description. Then, click on 'Add Group'.
3. Next, choose the User tab and click on the '+ Add User' button.
4. Add the user details (name, email address,Password) and from the Drop down menu select the User role.
5.Select at least one group (User creation is not possible without groups )
6.Click on Add User