Editing Subsidiary record receiving error message that states Please enter value(s) for: Main Support Email Address

When editing an existing Subsidiary record and receiving an error message that states "Please enter value(s) for: Main Support Email Address" to resolve this issue please follow the steps below:

1. Navigate to Setup > Company > Subsidiaries

2. Click Edit next to the Subsidiary in question

3. Click on the Preferences tab and Support sub-tab

4. Make sure the field Main Support Email Address is not blank

5. Click Save