Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Hi @fabrizio fontana ,
Hope you are doing well,
We have observed this issue for few of our customers. Product engineering Team Identified and fixed the issue. Could Please verify the same at your end.
Post validation if you are still facing issue, we suggest you raise a support case with Microsoft Graph, a Support Engineer will be able to assist you better.
You can raise support ticket from http://aad.portal.azure.com/ or https://admin.microsoft.com/#/support/requests.
Hope this helps.
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