Cannot Access Manage Departments and Manage Locations through Setup & Maintenance

Summary:

Cannot Access Manage Departments and Manage Locations through Setup & Maintenance

Content (please ensure you mask any confidential information):

We are trying to complete setting up a new GL account. When trying to access Manage Locations or Manage Departments through Setup & Maintenance, we get the following error:

Unable to retrieve content. Additional information for "Remote Region error #14":

The Manage Departments task couldn't be called. Review the FunctionalSetupServer logs for more details on this error. Contact your help desk..

I have entered an SR with Oracle Support and the direction so far is to use responsive UI (through My Client Groups) instead of the classic UI. However, we do not know how to manage departments (create new or edit) through My Client Groups.