Error "We couldn't add member" when adding users to Teams
Symptoms
When you add an internal or external member to Teams, you see the following error:
"We couldn't add member. We ran into an issue. Please try again later."
However, members can be added directly to Microsoft 365 groups.
Workaround
This issue occurs when the value UsersPermissionToReadOtherUsersEnabled is set to False in Microsoft Entra ID. To correct the issue, change this setting to True.
More information
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