Group Settings - Send Copies of group conversations

We are experiencing this problem:

You might not receive email notifications for responses that you submit to a Group Form, such as a Form that you create in Microsoft Teams. To receive email notifications, do the following

Found this article:

No email notifications for responses to Group Forms - Office | Microsoft Docs

I am a global admin and trying to set these settings in group:

The global administrator can use these steps instead:

1. Sign in to Microsoft 365 admin center and go to Groups > Active groups.
2. Select the appropriate group from the list, and then select the Settings tab.
3. Select the Allow external senders to email this group and Send copies of group conversations and events to group members check boxes.

I click the settings and Save.  It says it saved them, but the settings are not saved -- refresh and the checked boxes are not checked.  The mail problem is not fixed.

Any suggestions?