With the exception of Community groups, Group owners such as Advisors, Teachers, Activity Leaders and Dorm Supervisors need to have the corresponding employee roles added to their employment record before they have full access to edit their group pages.
To edit an employees employment record please navigate to
1. Core > Users/Access > Profile > Edit User Profile Data
2. Search for and click on the user
3. Scroll to the bottom of the users profile and under "System Information" click on "Employment"
4. Edit > Check off the appropriate employee roles and be sure to check the Effective Immediately radio button
5. Save & Exit